本文对光子计数测光系统中的几个主要问题进行了讨论。
Several major problems for photon counting photometry system are discussed in this paper.
介绍一种利用大视场测光系统对观测天气质量进行评估的统计方法。
A statistical method based on wide field photometry is developed to give a quantitative evaluation of sky quality.
由镜头和3D测光系统得到的距离信息会用来计算闪光灯的输出功率。
The distance information from the lens and 3D matrix metering is then used in the computation to determine the amount of flash light to put out.
取景器盖能防止由于离散光进入取景器目镜而引起不正确的曝光。它能保证测光系统完全不受影响。 收藏。
The viewfinder cap is used to avoid incorrect exposure due to stray light which may enter the metering system is not adversely affected.
取景器盖能防止由于离散光进入取景器目镜而引起不正确的曝光。它能保证测光系统完全不受影响。 收藏。
The viewfinder cap is used to avoid incorrect exposure due to stray light which may enter the metering system is not adversely affected.
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