lenses

1. [C]透镜,镜头 a special piece of glass in things like cameras, microscopes or glasses
2. [C](眼球的)水晶体 such an instrument made of natural animal material in the eye behind the black opening in front of the eye

• grind a lens磨镜片

• plastic lens塑胶镜片
• strong lens强力镜头
• telephoto lens望远镜头
• telescopic lens远摄镜头
• thick lenses厚镜片

• contact lenss隐形眼镜
• filter lens滤光透镜

• opening of the lens镜头的孔径,镜头的光圈

intraocular lens人工晶体；眼内透镜

camera lens摄影机镜头；摄像头

contact lens隐形眼镜；接触镜片

optical lens光学透镜；透镜

zoom lens变焦镜头

convex lens凸透镜

objective lens物镜

cylindrical lens柱面透镜

lens distortion光学变形；透镜畸变

crystalline lens[生理]晶状体

fresnel lens菲涅耳透镜

artificial lens人工晶状体

eye lens目镜

aspheric lens非球面透镜，非球面镜头

object lens n. 物镜

concave lens凹透镜；近视镜片

plastic lens塑料透镜

wide-angle lens广角镜头

projection lens聚光透镜；投影透镜

spherical lens球面透镜

1. Don't smear the lens; I've just polished it.
   别把镜头弄脏了，我刚刚擦过。
2. Some adjustment of the lens may be necessary.
   可能有必要调节一下镜头。
3. The camera lens must be screened from direct sunlight.
   照相机的镜头不可受到阳光的直射。
4. He uses lens to make things appear clearer.
   他用镜片以便看东西更清楚些。
5. The lens is often used to make telescopes.
   镜片常被用来做成望远镜。
6. I am very near-sighted and wearing a pair of contact lens now.
   我非常近视而且现在正戴着隐形眼镜。
7. This lens can magnify 20 diameter.
   这个透镜能放大20倍。
8. In this operation the surgeons implant a new lens in the eye.
   医生在这次手术中给病人眼球植入了新的水晶体。