| 单词 | eyepiece |
| 例句 | I touch my forehead to the eyepiece of the microscope. Allegiant 2013-10-22T00:00:00Z She sat down at a microscope, adjusted the eyepieces, and began to explore the terrain. The Hot Zone 1994-01-01T00:00:00Z Jake looked up from the eyepiece of a long cylinder pointing skyward. October Sky 1999-04-01T00:00:00Z I looked through the eyepiece eagerly, only to be disappointed. Twilight 2005-10-05T00:00:00Z I go behind the telescope, peer into the eyepiece, and all the stars crash down on my head. I'll Give You the Sun 2014-09-16T00:00:00Z She peered into the eyepiece, positioned the telescope to look through a windowpane, and began twisting the focus knobs. Fablehaven 2006-07-30T00:00:00Z She was staring through the binocular eyepieces of the microscope at a small flask. The Hot Zone 1994-01-01T00:00:00Z It had two sets of eyepieces so that two people could look into it at the same time. The Hot Zone 1994-01-01T00:00:00Z Sherman went first, pressing his eye against the eyepiece. October Sky 1999-04-01T00:00:00Z “My goodness,” I said and looked through the eyepiece again. The Evolution of Calpurnia Tate 2009-05-12T00:00:00Z Diego swiveled the telescope to another part of the sky and looked through the eyepiece. We Are the Ants 2016-01-19T00:00:00Z I peered through the eyepiece and tweaked it until I managed to bring Neptune more or less into focus. We Are the Ants 2016-01-19T00:00:00Z Then he looked through the binocular eyepieces of the microscope. The Hot Zone 1994-01-01T00:00:00Z I stare at the illuminated slide in the microscope, at the orange droplet swimming in the eyepiece, and release a shaky breath. Allegiant 2013-10-22T00:00:00Z He carries a lantern up a winding staircase to a starlit observatory and looks through the eyepiece of a great telescope, its mouth pointed into the black. All the Light We Cannot See 2014-05-06T00:00:00Z The Huygens brothers found a way to reduce chromatic aberration considerably by using a combination of two thin lenses in the eyepiece of a telescope, instead of one fat lens. The Scientists 2003-10-21T00:00:00Z Tom looked into the eyepieces of a microscope that was attached to the cutting machine. The Hot Zone 1994-01-01T00:00:00Z Seth looked into the eyepiece and started twisting the focus knobs. Fablehaven 2006-07-30T00:00:00Z I went back to the telescope and put my eye to the eyepiece. October Sky 1999-04-01T00:00:00Z In 1919, when Hubble first put his head to the eyepiece, the number of these galaxies that were known to us was exactly one: the Milky Way. A Short History of Nearly Everything 2003-05-06T00:00:00Z When they were ready to go in—dressed like surgeons—they entered and sat down at the eyepieces of the microscope. The Hot Zone 1994-01-01T00:00:00Z Then he took the eyepiece out, replaced his glasses, and fixed the boy with a sour and suspicious look. The Graveyard Book 2008-09-30T00:00:00Z My brother stands behind the microscope, his eye pressed to the eyepiece. Allegiant 2013-10-22T00:00:00Z She said that she has cried into the camera’s eyepiece many times while shooting. Ari Wegner: A Cinematographer Who Knows Actors Down to the Eyelash 2022-03-14T04:00:00Z I cede the eyepiece to the woman next to me and tilt my naked eyes up, into a blizzard of celestial bodies that might be more mind-bending than my intimate view of Jupiter. Arizona’s Kitt Peak Observatory offers a perfect sight-line to the stars 2015-08-24T04:00:00Z It was uncomfortable for me to use the eyepiece. YouTubers at the mercy of the algorithm: “The idea is to post content, not have an interesting... 2018-09-20T04:00:00Z Most of the work is done by master watchmakers hunched over tables of miniature components, wearing magnifying eyepieces or peering through microscopes as they finish and assemble the mechanical movements by hand. This German Village is a Town Based on Time 2017-09-19T04:00:00Z A magnifying eyepiece, produced by 3D printing, fits cellphone cameras and takes photos of microscope slides; AI image analysis then picks out and identifies pathogens. AI is on the world’s mind. Is the UN the place to figure out what to do about it? 2023-09-24T04:00:00Z In the upper left corner of the paper, be sure to write the date of your drawing, the time of night, and the power of the eyepiece you used on your telescope. Making the Moon 2019-06-17T04:00:00Z Those phases are more than just a lovely sight at the eyepiece. Why Venus Is So Bright Right Now 2023-06-02T04:00:00Z I climbed a few steps to reach the telescope’s eyepiece, pointed at a star 25.3 light-years from Earth. Is Los Angeles Home to the Most Looked-Through Telescope in the World? 2022-08-24T04:00:00Z The second, the eyepiece, also referred to as the ocular, has several lenses which slide inside a cylindrical barrel. College Physics for AP Courses 2015-08-12T00:00:00Z To view the image formed by the lens in a telescope, we use an additional lens called an eyepiece. Astronomy 2016-10-13T00:00:00Z I’m not sure how widespread my reaction is; my husband wore the Air Glass eyepiece for around 15 minutes, a period long enough to give me a headache, without incident. Oppo’s Air Glass is an AR experiment with one great idea 2022-07-11T04:00:00Z Down her eyepiece, she delighted in the sight of DNA-repair proteins waltzing around a yeast cell — in near-perfect harmony with the swirling piano arpeggios of the first movement’s cadenza. The sounds of science: biochemistry and the cosmos inspire new music 2019-05-06T04:00:00Z I’ll see something with my naked eye down in Franklin Square and then peer into the eyepiece to try to find it. Perspective | Watch it, folks. The new scope can spot lunch or a little intrigue 2019-02-24T05:00:00Z This first image is the object for the eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z As we discussed, the magnification of the image is done by a smaller eyepiece, so the magnification can be adjusted by changing eyepieces. Astronomy 2016-10-13T00:00:00Z Staring down the eyepiece of a microscope, Rouse carefully extracted worms from bone fragments. A Whale’s Afterlife 2019-02-18T05:00:00Z It is possible that there is more here than meets the eyepiece. These dusty young stars are changing the rules of planet-building 2018-12-03T05:00:00Z His face lights up when he holds up a tiny eyepiece that lets him count how many knots per square centimetre are in an individual rug. Money wars: how sanctions and tariffs became Trump’s big guns 2018-08-19T04:00:00Z The eyepiece forms a case 2 final image that is further magnified. College Physics for AP Courses 2015-08-12T00:00:00Z A good telescope will come with a variety of eyepieces that stay within the range of useful magnification. Astronomy 2016-10-13T00:00:00Z Into the dim green glow of his eyepiece stepped the shape of a man. War Without End 2018-08-08T04:00:00Z Buyers can pick from two sizes, which offer the same eyepieces with different head strap sizes and interpupillary distances. I tried Magic Leap and saw a flawed glimpse of mixed reality’s amazing potential 2018-08-08T04:00:00Z If Martin has to disturb the painting, he will place it under a stereo microscope and, squinting through the two eyepieces, pick out a grain of paint with a scalpel. How to spot a perfect fake: the world’s top art forgery detective 2018-06-15T04:00:00Z This first image is the object for the second lens, or eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z A new instrument called a “blink comparator” could quickly alternate the two images in an eyepiece. Astronomy 2016-10-13T00:00:00Z Wooden goggles would be a pair of wooden encased eyepieces joined together over the bridge of the nose. Bodies Remodeled for a Life at Sea 2018-04-19T04:00:00Z When she peered through the eyepiece, the globular nuclei looked like Hubble photos of distant stars in the black velvet of space. To Unlock the Brain’s Mysteries, Purée It 2017-12-14T05:00:00Z A boy stood on tiptoe to gaze through an eyepiece at an image of the world as a baby octopus would see it: dark, blue and utterly empty. The creators of the world's smallest mollusk museum have giant ambitions 2017-11-28T05:00:00Z The eyepiece is intentionally located so it can further magnify the image. College Physics for AP Courses 2015-08-12T00:00:00Z The eyepiece focuses the image at a distance that is either directly viewable by a human or at a convenient place for a detector. Astronomy 2016-10-13T00:00:00Z Wooden goggles would be a pair of wooden encased eyepieces joined together over the bridge of the nose. Bodies Remodeled for a Life at Sea 2018-04-19T04:00:00Z When watching video, the eyepiece containing part of the headband rests on the bridge of your nose, using one of four included, adjustable nose pads. How far would you go for a quality in-flight movie experience? 2017-12-01T05:00:00Z After zooming in on the nebula’s celestial coordinates, Marchis toggles the telescope’s enhanced light-amplification mode, and steps back to let me look through the eyepiece. New Telescope "Gives Back the Sky" to City-Dwellers 2017-10-10T04:00:00Z The eyepiece is placed so that the first image is closer to it than its focal length fe . College Physics for AP Courses 2015-08-12T00:00:00Z An eyepiece then magnifies the image so that it can be viewed by the eye, or a detector like a photographic plate can be placed at the focus. Astronomy 2016-10-13T00:00:00Z After attaching the phone to the telescope using a universal smartphone adapter, it's possible to record the celestial occurrence by pointing the mobile device's camera through the telescope's eyepiece. How to Photograph the Solar Eclipse With Your Phone 2017-08-17T04:00:00Z The eyepiece, which fits over your face like a scuba mask, is hinged to the headphones at the ears. How far would you go for a quality in-flight movie experience? 2017-12-01T05:00:00Z Telescopes with eyepieces at a 90-degree angle from the tube offer easy ways to shade the image for clearer views, Keel said. Astronomers prepare for eclipse in Tuscaloosa 2017-08-05T04:00:00Z Thus the eyepiece acts as a magnifying glass, and the final image is made even larger. College Physics for AP Courses 2015-08-12T00:00:00Z Having just made its closest pass to Earth less than two month ago, Saturn will still appear impressively big and bright through the eyepiece. Two Eclipses, and 6 More Can't-Miss Sky Events in August 2017-08-01T04:00:00Z These colours are obvious to the naked eye and more so through the eyepiece of a telescope, but are difficult to capture in an image. The Best Astronomy Pictures of the Year Are Just Incredible 2017-07-28T04:00:00Z Having just made its closest pass to Earth less than a month ago, Saturn will still appear impressively big and bright through the eyepiece. Sparkly Meteors and 7 More Can’t-Miss Sky Events in July 2017-07-01T04:00:00Z Those choosing this method need to be careful to keep anyone from looking directly through the eyepiece to avoid severe damage to the eye. Astronomers prepare for eclipse in Tuscaloosa 2017-08-05T04:00:00Z Had the eyepiece been placed farther from the objective, it could have formed a case 1 image to the right. College Physics for AP Courses 2015-08-12T00:00:00Z First, he removed the eyepiece from his microscope and connected it to a long bellows camera, then placed a black card over the lens of the instrument in lieu of a camera shutter. The man who uncovered the secret lives of snowflakes 2017-01-11T05:00:00Z It's accurate and fast, it's easy to focus, and the eyepiece is firmly attached. I used my awesome new laser rangefinder to watch a chipmunk eating a mouse - Golf Digest 2016-06-24T04:00:00Z The red planet will appear just over one degree above the cluster—equal to only two full moon disks—so both targets will fit easily within the field of view of a low-power eyepiece. This Week’s Night Sky: Watch Meteors From Halley’s Comet LG's version still uses the smartphone to process the images, but instead of displaying them on the phone screen, images get sent to separate, lighter displays in the headset's eyepieces. LG is unveiling a smartphone with two lenses and jumping into the nascent world of virtual reality 2016-02-21T05:00:00Z Depending on the eyepiece and objective lens we see a restricted region which we say is the field of view. College Physics for AP Courses 2015-08-12T00:00:00Z Davies begins to look into the microscope’s eyepiece. The Doctor the NFL Tried to Silence 2015-11-24T05:00:00Z Viewing these scenes though the $29 eyepiece is almost as good as going there, but for a heck of a lot less money. These Are the Gadgets Everybody Wants This Holiday 2015-11-16T05:00:00Z It is simply awesome to ponder that the tiny fuzzy object in the eyepiece is a giant expanding cloud of gas lying some 6,300 light-years from Earth. This Week's Night Sky: Best Time to Spot Distant Neptune 2015-08-31T04:00:00Z Anybody observing the stars at the digital observatory won’t need to fight for time to use the eyepiece of a traditional telescope. Construction to start on digital observatory in Roseburg 2015-07-30T04:00:00Z The eyepiece forms a case 2 final image that is magnified. College Physics for AP Courses 2015-08-12T00:00:00Z “Oh my god!” another woman rejoiced as her eye landed on the small, bright image in the eyepiece. Strangers on the Street Find a Connection in the Stars 2015-07-16T04:00:00Z A solid accessory made out of aluminum, the adapter comes with 12.5mm eyepiece that fits onto the telescope, making it easy to swap out without much fuss. 12 Must-Brings For Your Next Stargazing Trip 2015-06-23T04:00:00Z Switch to a low power eyepiece to see the view in the second chart. How to Find the Dwarf Planet Pluto in the Sky 2015-05-30T04:00:00Z When you look through the eyepieces of the Glyph engineering prototype, by contrast, you'll see a perfectly clear, brilliantly colored image, floating in front of you with virtually no lag. Avegant's new VR visor is a visual wonder and an ergonomic nightmare 2015-01-06T05:00:00Z That is, do′ is less than fe , and so the eyepiece forms a case 2 image that is large and to the left for easy viewing. College Physics for AP Courses 2015-08-12T00:00:00Z Mr. Boone exclaimed as he peered into the eyepiece. Strangers on the Street Find a Connection in the Stars 2015-07-16T04:00:00Z This $58 adapter will let you slap your smartphone down onto the eyepiece so you can snap photos of your star searches. 12 Must-Brings For Your Next Stargazing Trip 2015-06-23T04:00:00Z It’s not as large and engulfing as the X-T1’s eyepiece, but it’s very good. Fujifilm's X100T is even better camera than its predecessor without changing our favorite features. 2014-12-15T05:00:00Z There's Google Cardboard and any number of other cheap paper eyepieces. Pinc is a whimsical VR iPhone case that tracks your hands 2014-11-24T05:00:00Z The eyepiece and objective contribute to the magnification. College Physics for AP Courses 2015-08-12T00:00:00Z Instead of having to cross the room from telescope to clock, an observer could now glance down from eyepiece to watch, producing a near-simultaneous correlation between reading and timing. How the world's first smartwatch was built 2014-09-27T04:00:00Z The second group designed another eyepiece, but instead of focusing on convenience, Evelyn and her partner looked at healing. Conway students take part in science competition 2014-05-26T04:00:00Z The eyepiece is up at the aperture, where a simple secondary mirror reflects the light gathered by the big primary off to the side. The Monk Of A Million Telescopes 2014-01-21T20:50:03Z He followed me onto the balcony, looked into the eyepiece, and saw the planet and its famous rings. Seeing Saturn for the First Time Really Opens One's Eyes 2013-10-24T12:45:02.417Z They tell you that the microscope has an objective with a 0.500 cm focal length and an eyepiece with a 5.00 cm focal length. College Physics for AP Courses 2015-08-12T00:00:00Z Ultimately, this could allow sub-wavelength details to be viewed through the eyepiece of a standard microscope. Exotic optics: Metamaterial world 2013-08-07T17:50:26.790Z They are inspected, using a magnifying eyepiece, before being released into a crate. Working cash-free at the Royal Mint 2013-07-23T23:01:17Z As for Faberge himself, one of the most far-sighted men ever to squint through a jeweller's eyepiece, he was publicly denounced as a "profiteer". Russia: Faberge eggs symbol of power 2013-06-19T07:56:56Z I took her head, and I shoved it to the eyepiece, and she goes, ‘Holy sh–t!'” Seeing Saturn for the First Time Really Opens One's Eyes 2013-10-24T12:45:02.417Z What is the angular magnification of a telescope that has a 100 cm focal length objective and a 2.50 cm focal length eyepiece? College Physics for AP Courses 2015-08-12T00:00:00Z There are limitations: Both Google Glass and the M100 are monocular systems that use a single eyepiece to deliver an augmented field of view of about 14 degrees. When Everybody Starts Wearing Smartglasses, Google Won t Be the Only Player 2013-04-26T11:15:02.497Z Instead of bullets, the eyepiece fires animals – 40 types, each with different strengths and weaknesses. Towelfight 2: The Monocle of Destiny – app review 2013-03-24T00:04:07Z To peer through the eyepiece is to discover a universe in an embryo, an organ, a cell. Small Wonders: Science Meets Art Under The Lens [Slide Show] 2012-12-17T13:45:02.467Z Peering through the eyepieces I see two parallel lines etched in the specimen’s weathered surface. Caveman Couture: Neandertals Rocked Dark Feathers 2012-09-18T21:15:02.717Z Find the distance between the objective and eyepiece lenses in the telescope in the above problem needed to produce a final image very far from the observer, where vision is most relaxed. College Physics for AP Courses 2015-08-12T00:00:00Z Mann says that when he first entered the fast-food outlet with his wife and children, an employee questioned him about the eyepiece. McDonald's Staff See Red Over Prof's Digital Eyewear 2012-07-20T16:40:21Z Mann’s eyepiece took several photos that captured his alleged assailants faces and ID badges, though he’s obscured them in the versions posted on his blog, instead labeling them Perpetrators 1, 2 and 3. Cyborg Discrimination? Scientist Says McDonald's Staff Tried To Pull Off His Google-Glass-Like Eyepiece, Then Threw Him Out 2012-07-17T12:00:35Z As usual on today’s compacts, there’s no eyepiece viewfinder, a loss you may mourn. State of the Art: A Pocket Camera Even Pro Photographers Can Love - State of the Art 2012-06-27T21:35:11Z Inside the smaller telescope's eyepiece a translucent set of hash marks provided the ruler that yielded 6 arc minutes and 2 arc seconds of angular separation between planet and star at the transit's halfway point. Flying Bridges: The Day the World Discovered the Sun [Excerpt] 2012-06-02T13:15:00.187Z If the binoculars have objective lenses with a 75.0 cm focal length, what is the focal length of the eyepiece lenses? College Physics for AP Courses 2015-08-12T00:00:00Z The interference fringes formed in the focal plane are then viewed with an eyepiece of very high power, many thousand diameters. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Another asset: he has an eagle’s eye for speck-size objects, which serves him even when a jeweler’s magnifying eyepiece does not. Old Watches Get New Lives Through Dimitrie Vicovanu, Master Restorer 2012-01-17T01:55:52Z You lost the eyepiece viewfinder, too — you had to compose your shot using only the screen. State of the Art: 3 Small Cameras Come Up Big in Photo Quality 2011-11-23T21:12:39Z Drawings were made on millimeter ruled paper while the baculum was viewed under a binocular microscope with a square ruled eyepiece. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Use ray tracing to draw the images created by the objective and eyepiece lenses. College Physics for AP Courses 2015-08-12T00:00:00Z The eyepiece will usually be made of two lenses, or more, and we use its focal length considered as a single lens, in getting the magnifying power. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Yet, one student gazing through the telescope eyepiece stubbornly insisted that he was really looking at the moon. Most Popular Skywatching Misconceptions Explained 2011-11-14T21:45:00.213Z Unfortunately, here again there’s no built-in flash or eyepiece viewfinder. State of the Art: 3 Small Cameras Come Up Big in Photo Quality 2011-11-23T21:12:39Z Thus the eyepiece is now eight times nearer, so the angle i, o, i is eight times the angle i, x, i, and the observer sees the image magnified eight times. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z The focusing ability is provided by the movement of both the objective lens and the eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z A 4-inch telescope will therefore have no eyepiece with a lower magnifying power than about 20 diameters. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z The V1 adds an electronic eyepiece viewfinder and a few more perks. State of the Art: 2 Compact Cameras Move Closer to Perfection - David Pogue 2011-09-29T11:28:48Z The analyzer fits over the eyepiece on the tube. Paint Technology and Tests 2011-09-15T02:00:12.263Z Included in the binocular case is a nifty camera adapter that lets a point-and-shoot camera clip into an eyepiece to capture whatever you’re looking at. Swarovski Binoculars in the City 2011-08-04T14:22:15Z Figure 26.16 A compound microscope composed of two lenses, an objective and an eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z The reason for a variety of eyepieces with different magnifying powers soon becomes apparent on using the telescope. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z "I have it," he cried, his brow glued to the eyepiece and his hand signalling for stillness. A Tatter of Scarlet Adventurous Episodes of the Commune in the Midi 1871 2011-08-04T02:00:19.957Z On its own, it offers roughly what you’d get by holding one eyepiece of the Ultravid Compact binoculars above to your eye. Review: Leica Binoculars 2011-08-01T15:36:54Z Dr. Roberts, in laying down the conditions which should be fulfilled by a good photographic telescope, says that a star should remain bisected by a thread in the eyepiece for two minutes at a time. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z The object distance is the distance of the first image from the eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z A telescope will generally have many eyepieces of different focal lengths, so that it will have a corresponding range of magnifying powers. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Yet the film formed by the breath of the observer on the eyepiece of a telescope would obscure Jupiter. The Universe a Vast Electric Organism 2011-06-09T02:00:22.450Z He did so, bent intently over the eyepiece, squinting down the polished barrel in the happy expectation of wonders. The Rotifers 2011-04-18T02:00:10.237Z It would not be a very difficult matter to improve on this contrivance, say by placing an illuminated scale, capable of independent adjustment, in the field of the eyepiece, but the pins answer every purpose. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z This places the first image closer to the eyepiece than its focal length, so that the eyepiece will form a case 2 image as shown in the figure. College Physics for AP Courses 2015-08-12T00:00:00Z The rays are then received by the eyepiece at the side of the upper end of the tube, the observer looking in at right angles to the axis. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Both Olympus and Panasonic are happy to sell you an electronic eyepiece viewfinder that snaps onto the top of the camera. State of the Art: The Holy Grail: Small Cameras, Big Sensors 2011-04-06T20:42:03Z Eager to see this new world for themselves, people purchased small brass eyepieces called spinthariscopes, named for the Greek word for spark. Week in Review: Radiation?s Enduring Afterglow 2011-03-26T18:00:08Z In this apparatus, as originally constructed, the cross-wires of the guiding eyepiece were exactly in the plane of the photographic plate. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z The objective forms a case 1 image that is the object for the eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z The eyepiece is removed and its place taken by a photographic plate. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Putting a drop of the magter's blood on the slide she bent over the eyepiece. Sense of Obligation 2011-02-09T03:00:52.337Z Quickly I thrust the youth from the eyepiece, and, as calmly as I could, said: "I thought I heard propellers." The Diary of a U-boat Commander With an Introduction and Explanatory Notes by Etienne 2011-01-30T03:00:19.213Z Before beginning an exposure the focus is adjusted by means of a high-power positive eyepiece. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z The distance between the eyepiece and the objective lens is made slightly less than the sum of their focal lengths so that the first image is closer to the eyepiece than its focal length. College Physics for AP Courses 2015-08-12T00:00:00Z By moving the card farther away from the eyepiece, a larger disk may be obtained, in effect a higher degree of magnification. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z The part played by the eyepiece in determining magnifying power will be readily understood from the following experiment: Make a pin hole in a piece of cardboard. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z After the tissue was properly stained, Wiedau-Pazos placed the slide under the microscope and peered through the eyepiece. In death, the ultimate gift to others 2010-09-16T04:01:00Z In the focus of the eyepiece are, instead of cross-wires, two adjustable terminals, between which an electric spark can be passed, generated by a small induction machine, like a replenisher, held in the observer’s hand. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z To obtain the greatest angular magnification, it is best to have a long focal length objective and a short focal length eyepiece. College Physics for AP Courses 2015-08-12T00:00:00Z Frequent examination of the eyepiece should be made and the eyepiece cooled if necessary. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z For a long time he peered through the eyepiece. The Year When Stardust Fell Bart asked as his friend peered through the eyepiece of the telescope and continued his adjustments. Astounding Stories, August, 1931 The light is varied to suit the requirements of observation by rotating the reflector which throws the light in the direction of the eyepiece. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z But a more common arrangement is to use a third convex lens as an eyepiece, increasing the distance between the first two and inverting the image once again as seen in Figure 26.24. College Physics for AP Courses 2015-08-12T00:00:00Z So-called aerial telescopes were also constructed, in which the objective was mounted on top of a tower or a pole, and the eyepiece moved along near the ground. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z With the fine controls he centered the cross hairs of the eyepiece on the blazing object in the sky. The Year When Stardust Fell The cross-hairs of the eyepiece were centered on a small circular shadow near its inner rim. Astounding Stories, August, 1931 An old negative, from which the film has been partially scraped, is placed in one of the plate-holders, and the film is brought into the common focus of the eyepiece and the great mirror. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z With his face pressed against the eyepiece, he scanned the moonlit ocean in a slow circle. Way of a Rebel This reflects the rays backward down the tube to the eyepiece, or spectroscope, or camera. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z It is made to fit the camera exactly, and has little elastic loops which slip over the ears and hold the eyepiece in place while focusing. The Scrap Book, Volume 1, No. 1 March 1906 It was directing operations, a long blunt tube with projecting eyepieces. Second Variety If the guiding star is followed by turning the right-ascension screw, the upper edge of the plate, as well as the guiding eyepiece, will be moved through the distance d. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z The men on the barges were garbed in odd headgear, high cowls with staring circular eyepieces, and each carried a knapsack cylinder on his back. Merchantmen-at-arms : the British merchants' service in the war Only one eye can be looking at the eyepiece at a time: the photograph can be studied by a thousand eyes. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z He turned the eyepiece over to Dr. Miller. The Blue Ghost Mystery All measurements of the bacula were made by means of an eyepiece micrometer. The Baculum in the Chipmunks of Western North America The guiding eyepiece slides freely when not held by a clamp. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z No fabric of human construction is fine enough to strain across the eyepiece of an important telescope, and opticians preserve a particular race of spiders, that their webs may be taken for that purpose. Harper's New Monthly Magazine, Volume 1, No. 2, July, 1850. Against the left wall was a great table with a tilted top, bearing, in its center, a raised and hooded eyepiece giving a view into a large, enclosed black box. Astounding Stories, July, 1931 Homer's eye was still glued to the eyepiece of his glass. Border, Breed Nor Birth Using the rings, which were adapters, he fitted the camera to the eyepiece of the telescope. The Flying Stingaree He turned from the eyepiece with a face grown hard and cold. The Passing of Ku Sui While Tommy had been talking and listening, while he had been away from the eyepiece, one or other of the occupants of the globe had emerged from it. Astounding Stories of Super-Science January 1931 He was stooped slightly forwards, peering absorbedly through the eyepieces of the operator scanner before him. Gone Fishing He indicated a short brass tube which rose from the center of the box, resembling the eyepiece of a microscope. The Ivory Snuff Box When he squinted through the eyepiece, he saw only willow branches, but, by keeping his eye in place and cranking the geared tripod head, he quickly aligned the telescope with the trio under the willow. The Flying Stingaree Carse could not detect any sign of the asteroid, but he remained for a little while at the eyepiece, staring at Satellite III. The Passing of Ku Sui He stopped and looked through the eyepiece of the extraordinary vision apparatus. Astounding Stories of Super-Science January 1931 There were countless vacuum tubes and their controls, tiny motors belted to slotted disks that would spin when power was applied, and a double eyepiece. Wanderer of Infinity He glanced into the eyepiece, and then held a tiny flashlight for an instant opposite the third tube. Astounding Stories of Super-Science April 1930 Staggering weakly, he made his way to the observatory, mounted the steps with tired limbs, and wobbled to the eyepiece of his telescope which he had left focused on the dark star two hours before. Raiders of the Universes He directed it rearward on Satellite III, back along the course the Sandra had described, and peered through its eyepiece for several minutes. The Passing of Ku Sui Tommy was about to leave the eyepiece of the instrument when a movement nearby caught his eye. Astounding Stories of Super-Science January 1931 Bert looked up from the eyepiece, blinking into the triumphant grinning face of Tom Parker. Wanderer of Infinity The Captain peered into the eyepiece of the telescope. The Gun A number of his technical experts awaited him at the eyepiece of the great telescope. The Copper-Clad World A telescope, whether refracting or reflecting, consists of two essential parts, the first being a lens, or a mirror, to form an image, and the second a microscope, called an eyepiece, to magnify the image. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers He went back into the laboratory and put his eye to the eyepiece of the dimensoscope. Astounding Stories of Super-Science January 1931 This is an ordinary eyepiece fitted with an adjustable square diaphragm operated by a lever projecting from the side of the mount. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The most useful instrument I carried on that expedition was a powerful telescope with astronomical eyepiece. An Explorer's Adventures in Tibet He turned to the eyepiece of the telescope and swung the instrument around to bear on the Earth. The Copper-Clad World The same eyepieces will serve for either the reflector or the refractor. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Tommy looked through at the strange mad world he could see through the eyepiece. Astounding Stories of Super-Science January 1931 It is a small piece of apparatus resembling an eyepiece, with a sliding eye lens, which can be accurately focussed on a micrometer scale fixed within the instrument. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. "It's the best we can do," repeated Bourne as he closed the eyepiece of his telescope. The Submarine Hunters A Story of the Naval Patrol Work in the Great War He lifted his gaze from the eyepiece of the instrument and settled in on the chemist. Cum Grano Salis Enough has now, perhaps, been said about the respective properties of object glasses and mirrors, but a word should be added concerning eyepieces. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Tommy flung him aside and clapped his own eye to the eyepiece. Astounding Stories of Super-Science January 1931 Special eyepieces are also obtainable having a sledging adjustment to the eye lens for focussing the micrometer. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Any of the various fluorescing substances placed in the focus of the object-glass, or at the optical image in front of the eyepiece, will show the picture in the color peculiar to the fluorescing material. The Wreck of the Titan or, Futility I handed over the tiller to Chips, took the telescope, and raised the eyepiece to my eye. Turned Adrift Without a good eyepiece the best telescope will not perform well. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Opticians make glasses with three ranges, and write upon a little bar which shifts their eyepieces, 'Theatre,' 'Field,' 'Marine.' Expositions of Holy Scripture Ephesians; Epistles of St. Peter and St. John Insert the eyepiece micrometer inside the ocular and adjust the stage micrometer on the stage of the microscope. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The sweat from Martin's face steamed in the eyepieces, blinding him. One Man's Initiation—1917 The perspiration trickled down his neck as he lay there motionless and clouded the eyepiece of his telescope. No Man's Land For practical use an eyepiece composed of an ordinary single lens is seldom advantageous, because good definition can only be obtained in the center of the field. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers You can either look at the things close at hand, or, if you set the eyepiece right and use the strongest, you can see the stars. Expositions of Holy Scripture Ephesians; Epistles of St. Peter and St. John Focus the scale of the stage micrometer accurately; the lines will appear to be immediately below those of the eyepiece micrometer. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. He and Randolph sat side by side on the edge of the bunk, looking out through the crinkled isinglass eyepieces at the men in the dugout, most of whom had gone to sleep again. One Man's Initiation—1917 Something in the man's voice made de Hooch turn his head away from the periscope's eyepieces. The Bramble Bush Lenses made according to special formul�, however, and called solid eyepieces, give excellent results, and for high powers are often to be preferred to any other. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Quen-lung obediently placed the eyepiece to his eye, and a few seconds later Frobisher observed the man turn pale and stagger backward, almost dropping the telescope as he did so. A Chinese Command A Story of Adventure in Eastern Seas Where x = the number of included divisions of the eyepiece micrometer. y = the number of included divisions of the stage micrometer. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Into this I place my terrestrial tube, retaining only the field glasses, and using a microscopic eyepiece of seven eighths of an inch in diameter. The Continental Monthly, Vol. 6, No 3, September 1864 Devoted To Literature And National Policy Conclusion: the lens is astigmatic, or the objective is not adjusted to be co-axial with the eyepiece. On Laboratory Arts The Huygens eyepiece consists of two plano-convex lenses whose focal lengths are in the ratio of three to one. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers She is our eyepiece to keep us cognizant of our opportunities. A Labrador Doctor The Autobiography of Wilfred Thomason Grenfell Set up the microscope stand in the vertical position and insert the highest eyepiece available. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Putting a drop of the magter's blood on the slide, she bent over the eyepiece. Planet of the Damned C. The presence of flexure may be confirmed by altering the position of the points of support with respect to the eyepiece, the lens maintaining its original position. On Laboratory Arts In this kind of eyepiece the image is formed between the two lenses, and if the work is properly done such an eyepiece is achromatic. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers "Well," said Ned, peering into the eyepiece, "all I see are a few trees." Tom Swift and His Giant Telescope Wright's Eikonometer is really a modification of the eyepiece micrometer for rapidly measuring microscopical objects by direct inspection, having previously determined the magnifying power of the particular optical combination employed. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. With furiously beating heart, I sat down before the huge instrument and adjusted the eyepiece. The Girl in the Golden Atom Any errors left over are to be attributed to other causes than the want of collinearity of the axes of object glass and eyepiece. On Laboratory Arts In order to ascertain the magnifying power which an eyepiece gives when applied to a telescope it is necessary to know the equivalent, or combined, focal length of the two lenses. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Looking through the eyepiece, the young inventor stood as though transfixed. Tom Swift and His Giant Telescope Calculate the value of each division of the eyepiece micrometer in terms of µ, by means of the following formula: x = 10 y. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. When the Very Young Man's turn came he looked into the eyepiece awkwardly. The Girl in the Golden Atom The thread is arranged on the stage so as to point towards the observer, and the apparent diameter is read off on the eyepiece scale. On Laboratory Arts The equivalent focal length of a positive or Ramsden eyepiece is equal to three fourths of the focal length of either of the lenses. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers He peered intently into the eyepiece, wrote something on a pad, and then began searching through the pages of a reference book on chemicals of the solar system. On the Trail of the Space Pirates The electro-telescope stood near it and I yielded to a vague desire to gaze into the eyepiece. Wandl the Invader "It's pretty bleak, no fooling," he admitted, and peered through the eyepiece of the visiray telescope, studying minutely the forbidding surface of the satellite they were so rapidly approaching. Spacehounds of IPC In this method an ordinary microscope is employed together with a scale micrometer, and either an eyepiece micrometer, or a camera and subsidiary scale. On Laboratory Arts Suppose we turn it in such a way that the eyepiece moves slightly outside the focus, or away from the object glass. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers The light, after passing through the lenses, is brought to a focus at the lower end of the tube, where the image is examined visually with an eyepiece, or photographed upon a sensitive plate. The New Heavens A long silence followed, during which Thornton seemed to bend more intently than ever over his eyepiece. The Man Who Rocked the Earth Scales specially constructed for measuring silver and gold buttons may be purchased; but it is much better to make the measurement with the help of a microscope provided with an eyepiece micrometer. A Text-book of Assaying: For the Use of Those Connected with Mines. Threads up to about one twenty-thousandth of an inch in diameter may be sufficiently well measured by means of a Zeiss "4 centimetre apochromatic object-glass" and an eyepiece "No. 6" with sixteen centimetre tube length. On Laboratory Arts Next let us return to the focus and then move the eyepiece gradually inside the focal point or plane. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers An instrument on the principle of Dawes' solar eyepiece has been suggested; this, if used with an invariable and absolute scale of tints, would remove many difficulties attending these investigations. The Moon A Full Description and Map of its Principal Physical Features Was he not drowsing over his eyepiece in the meridian-circle room? The Man Who Rocked the Earth For quantities of gold of from .5 to .005 milligram a microscope with 1/2 inch objective and B eyepiece is suitable. A Text-book of Assaying: For the Use of Those Connected with Mines. The detail of making a measurement by means of the micrometer eyepiece is very simple. On Laboratory Arts Then, by placing a sheet of paper or a drawing board before the eyepiece and focusing the image of the sun upon it, very good results may be obtained. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Only experience and actual trial will teach the observer to choose the particular eyepiece suitable for a given night or a given object. The Moon A Full Description and Map of its Principal Physical Features Evarts could dimly see his long, grave profile bending over his eyepiece, shrouded in the heavy shadows across the table. The Man Who Rocked the Earth Under the magnifying effect of the eyepiece lens Benson could see the beach, the flag-bedecked hotels, and the moving masses of people on the shore. The Submarine Boys and the Spies Dodging the Sharks of the Deep Each man had two anti-gas helmets—one with a mica window, and the other with glass eyepieces and a tube through which to breathe out, and which was known later as a P.H. helmet. The Story of the "9th King's" in France If the oblong image does not turn round with the eye, but does turn when the eyepiece is twisted round, then the astigmatism is in the latter. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Maw, F.R.A.S., has seen, with a 6 inch Cooke refractor, a bright marking at the N. extremity of the ring, which, when examined with a Dawes' eyepiece, resembled an imperfect crater. The Moon A Full Description and Map of its Principal Physical Features In many cases men work in diving suits rather than in caissons; these suits are made of rubber except for the head piece, which is of metal provided with transparent eyepieces. General Science At the bottom of the periscope is the last mirror of the series, and, opening in upon this, there is an eyepiece fitted with a lens. The Submarine Boys and the Spies Dodging the Sharks of the Deep Only one adjustment is necessary, and this is provided by means of the screws which fix the inclination of the eyepiece. Scientific American Supplement, No. 832, December 12, 1891 If, finally, it does not follow either the eye or the eyepiece, it is the objective that is at fault. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers Instead of the simple eyepiece, camera lucida is placed upon it. Scientific American Supplement, No. 470, January 3, 1885 If the surface has periodic or irregular errors, no sharp image can be obtained, no matter how much the eyepiece may be moved in or out. Scientific American Supplement, No. 484, April 11, 1885 As Captain Jack Benson applied his right eye to the eyepiece he was able to see anything above the surface of the water that lay in any direction that the periscope was pointing. The Submarine Boys and the Spies Dodging the Sharks of the Deep Place these over the eyepiece of the telescope and secure in place with rubber bands looped over the nibs and around the barrel of the instrument. The Boy Mechanic: Volume 1 700 Things for Boys to Do Just north of Aquila is the little constellation Sagitta, containing several interesting doubles and many fine star fields, which may be discovered by sweeping over it with a low-power eyepiece. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers It should have a good prism eyepiece with an angle tube attached so it would not be necessary to break one's neck in reading high altitudes. Through the Brazilian Wilderness In place of the eyepiece of this second telescope, a diaphragm is introduced in which a number of small holes are drilled, as in Fig. Scientific American Supplement, No. 484, April 11, 1885 We had a box made thus: whereby two points could be brought together within a dark box provided with an eyepiece. Edison, His Life and Inventions In order to get the best results the screen should be blackened on the inside and the eyepiece should be blackened on the side next to the eye. The Boy Mechanic: Volume 1 700 Things for Boys to Do The object glass is three inches; the focal length forty-three inches; and the telescope, when drawn out, with the pancratic eyepiece attached, is about four feet. Men of Invention and Industry Its office is to form an image of the object, which is then viewed by the eyepiece. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O If any error of convexity exists in the plate, the focal plane is disturbed, and the eyepiece must be moved out. Scientific American Supplement, No. 484, April 11, 1885 It revealed such countless multitudes of stars that I had only to sit before the eyepiece, and behold the endless procession of these glorious objects pass before me. James Nasmyth: Engineer; an autobiography A piece of black cardboard placed over the end of the eyepiece and perforated with a pin makes an excellent peek hole. The Boy Mechanic: Volume 1 700 Things for Boys to Do Second—Outfit.—Glass slides, covers, needles, toothpicks, bottle of water, white paper and handkerchief, portable microscope with a good Tolles one inch eyepiece, and one-quarter inch objective. Scientific American Supplement, No. 384, May 12, 1883 For methods of observation, I rely generally on the simple eye-observation, possibly relieved of some of its uncertainty by the use of my colour-correcting eyepiece. Autobiography of Sir George Biddell Airy Now if we push the eyepiece toward the mirror the same distance on the opposite side of the true focal plane, precisely the same appearance will be noted in the expanded star disk. Scientific American Supplement, No. 484, April 11, 1885 Greif turned to Rex, upon whose face the iron eyepieces were being adjusted. Greifenstein With the telescope over the side, we cruised about slowly in a circle, Arnold gazing through the eyepiece. The Romance of Elaine Sequel to "Exploits of Elaine" Kennedy paused long enough to look through the eyepiece again as if to reassure himself finally that he was right. The Treasure-Train I glanced into the eyepiece and saw a series of lines and curves, peculiar waves lapping together and making an appearance in some spots almost like tooth marks. The War Terror When the plane is not in the way, the converging beam goes back to the eyepiece, c. Scientific American Supplement, No. 484, April 11, 1885 "What do you see, Walter?" he asked, indicating an eyepiece. The Dream Doctor "Look!" he cried, indicating the eyepiece of the submarine telescope which he had let down over the side. The Romance of Elaine Sequel to "Exploits of Elaine" At one end was a lamp; the other was fitted with an eyepiece like a telescope. The Treasure-Train She assented, and looked through the shaded eyepiece, and saw a whirling mass, in the centre of which the blazing globe seemed to be laid bare to its core. Two on a Tower It was thought that the use of this Herschel aplanatic combination as an eyepiece, combined with the Wollaston doublet for the objective, came as near perfection as the compound microscope was likely soon to come. A History of Science — Volume 4 In one case, for example, the trial of mica eyepieces rendered otherwise efficient masks absolutely useless by breaking, and caused losses. The Riddle of the Rhine; chemical strategy in peace and war Woodward gazed into the eyepiece and then I did, also. The Romance of Elaine Sequel to "Exploits of Elaine" "Little bits of glass," he said, briefly, taking his eye from the eyepiece. The Treasure-Train Carefully he lighted the lamp, then squinted through the eyepiece at the tube of liquid containing what he had derived from the cartridge. The Treasure-Train This protective device consisted of a flannel helmet with a celluloid film eyepiece, and was called the hypo helmet. The Riddle of the Rhine; chemical strategy in peace and war |
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