... lantern slide 幻灯片的早期名称,指在灯箱或者幻灯机前不雅看的正片儿 mirror lens 反射式镜头 (哄骗反射镜孕育发小时候起就有象长焦距镜头的效验,但光圈是固定的) collotype 重铬酸盐制版法﹝参看附录﹞ ...
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mirror lens projection aligner 镜面透镜对准曝光器
common head mirror lens pattern 镜片式普通额镜
goldmann three-mirror lens 戈德曼三面镜
mirror-lens system 折反射系统
lens mirror system 折反射光系统
excessive tape mirror or lens 胶纸有外物
mirror telephoto lens 反射式远摄镜头
N a lens of long focal length in which some of the lens elements are replaced by mirrors in order to shorten its overall length and reduce its weight 反射式镜头 [photog]
While experimenting with his mirror prototypes, Silver found he could adjust the lens in the mirrors by varying the amount of silicone oil between two flexible membranes.
在用这一原型进行试验的过程中，Silver发现他可以通过在两层柔韧隔膜之间加入数量不等的硅油来调整镜子的镜片。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
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