a lens hood.
镜头管罩。
理]晶状体a lens hood.
镜头管罩。
the lens is totally jiggered.
镜头彻底破碎了。
lens meter (= lens ometer)
焦度计
The lens of a camera forms images.
照相机的镜头使图像形成。
Anastigmatic lens: Photographic lens corrected for astigmatism as well as other distortions.
消像差透镜:消除纵横像差和其他畸变的摄影用透镜。
Compared to the monofocal intraocular lens, the multifocal lens can provide a wider range for depth of focus.
多焦点人工晶状体具有比单焦点人工晶状体更广阔的焦点深度范围。
a lens magnifying 2, 000 diameters
能放大二千倍的透镜
A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.
一种防治近视眼的理疗器，它有作为物镜的凸透镜、镜筒、目镜，还有头套和透镜组，它用于人们在近距离上长时间用眼时戴在眼上，可以使被视物的像清楚、放大和变远。
Binocular lenses that are out of alignment will yield a double image.
双目镜片没有调好时会出现重影
lens designs can improve the cosmetic effect of your glasses.
镜片的设计可提高眼镜的美感。
In this paper, model of aspherisation for higher-dioptry spectacle lens is investigated.
本文研究高屈光度眼用透镜消除离轴像散的非球面化模式。
Objective To study the heterophoria and effect of plus lens on it in juvenile myopes.
目的研究青少年近视眼的隐斜和正透镜对隐斜的影响。
a bottle cap; a 35-millimeter lens cap.
瓶塞；35毫米的透视镜盖
thick lenses that exaggerated the size of her eyes.
夸大叙述，言过其实
Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.
具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。
The optician has advised that I wear contact lenses.
验光师建议我戴隐形眼镜。
Taking the photo should be a piece of cake with the new lens I’ve got.
有了新镜头，拍起照来就不费吹灰之力了。
The influence of input beam size on the maximum intensity in the focus of singlet lens and achromat was compared.
比较了消色差透镜及单透镜中脉冲初始光腰尺寸对聚焦的影响.
明：以上
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