胶片感光度 [摄] film speed ; sensitivity of film
胶片感光度指示圈 film speed indicator
胶片感光度定环 film speed set ring
胶片感光度等级 film speed scale
胶片感光系数 IsO
AFS航摄胶片感光度 aerial film speed
感光胶片 [感光] sensitive film ; [感光] photographic film ; light-sensitive film ; photosensitive film
红外感光胶片 infrared film ; infra-red-sensitive film ; sensitive film
高感光胶片 sensitive film
胶片光感器 film optical sensing device ; film optical sensing ; device
在红外线摄影中，数码相机上使用的胶片传感器或图像传感器对红外光感光，能让相机拾取人眼不可见的任何光线。
In infrared photography, the film or image sensor used within a digital camera is sensitive to infrared lighting, which allows the camera to pick up any light that's invisible to the human eye.
医院的X光机工作原理是X光射线脉冲穿过人体在射线胶片上感光成像。
Hospital X-ray machines work by passing an X-ray pulse through a body onto radiographic film.
最大（通常也是最贵）的当属全画幅。 之所以称其为全画幅，是因为感光元件和35mm胶片尺寸大小相似。
The largest (and most expensive) DLSR format is full frame (so called because the sensor is the same size as a frame of 35mm film).
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