| 单词 | compound lens |
| 例句 | It looked like I was staring into the compound lens on the eye of an insect. 100 Sideways Miles 2014-09-02T00:00:00Z The self-assembling petals collectively act as a compound lens that focuses light much like a fly's eye. Self-Assembling Flower Petals in Liquid Crystals Focus Light 2014-03-17T12:00:00Z Chromatic aberration is easily cured by using an achromatic or compound lens made by cementing together two lenses of crown and flint glass respectively, as in Fig. Optical Projection Part 1: Projection of Lantern Slides A compound lens is needed, made up of a crown glass convex element, B, and a concave element, A, of flint glass. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use With a compound lens, such as a 'Petzval' combination, this method does not hold good, as the optical centre of such a lens is not necessarily midway between its two components. Optical Projection Part 1: Projection of Lantern Slides |
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