单词 | anastigmat |
例句 | This makes a most desirable outfit at a surprisingly low price for an anastigmat equipment. Kodaks and Kodak Supplies 1914 This is an advantage which will appeal strongly to many, as it enables one to utilize to the fullest extent the microscopic definition of his anastigmat lens. Premo Cameras 1914 The superiority of the anastigmat lens, without attempting to go into the technicalities of the subject, consists of—Perfect definition over the whole negative, absolute flatness of field, and higher speed. Kodaks and Kodak Supplies 1914 In a true anastigmat, it is entirely eliminated. Kodaks and Kodak Supplies 1914 But an anastigmat lens can be so corrected as to permit the use of larger diaphragm openings and still produce sharp, clear negatives. Kodaks and Kodak Supplies 1914 This lens is an anastigmat of first quality, fully corrected and working at a maximum speed of f. Kodaks and Kodak Supplies 1914 It is an anastigmat of the very first quality, fully corrected for definition and flatness of field, and working at a speed of f.6.3. Premo Cameras 1914 This larger opening admits more light within a given time than that of the R. R. lens, hence the anastigmat is much faster. Kodaks and Kodak Supplies 1914 And under proper conditions, exposures up to 1/250 second with a Compound shutter and 1/1000 with a focal plane shutter, can be made with the anastigmat. Kodaks and Kodak Supplies 1914 For those who want the microscopic definition of the anastigmat, we offer the Vest Pocket Kodak, this year, fitted with the new Kodak Anastigmat lens. Kodaks and Kodak Supplies 1914 For those, however, who wish even greater efficiency and capabilities, we supply the anastigmat lens equipments. Kodaks and Kodak Supplies 1914 Both cameras offer the usual Kodak simplicity, and the exceptional lens and shutter equipment which assures the user the maximum of efficiency in all work where an anastigmat equipment is not necessary. Kodaks and Kodak Supplies 1914 |
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