light sensitivity

基本解释

This is why people love S.L.R.-type cameras, despite their bulk: great light sensitivity.
這就是爲什麽人們都喜歡單反相機的緣故，盡琯它的光敏度（light sensitivity）非常高。
A third aspect, the ISO, which is the degree of light sensitivity of the sensor, can also effect the exposure and will be discussed later.
再者，關於ISO，這是一種反映傳感器對於光線敏感性的度量，同樣可以影響曝光，我們以後討論。
blog.sina.com.cn
This dissertation deals with the reaction mechanics and optimization of the UV-light sensitivity, and also tries to introduce the redistribution theory of density of states to holographic media;
本文將以紫外敏感的有機玻璃爲主要研究目標，對其反應機制和光致折射率變化性能做系統優化和深入探索。

And it turns out that the patients actually did regain some of their sensitivity to light."

It must have good light sensitivity and resolution, and also be capable of wide angle to macro and auto-focus.
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