如果演示的地点不具备足够的防光性，请选择深色背景，并为文本使用任何浅色。

If the venue of your presentation is not adequately light-proof, select a dark-colored background and use any light color for text.

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相机里面有两块隔板，他们就像防光的窗帘一样不让通过镜头的光线照射到传感器上。

There are two panels inside your camera that are like lightproof curtains on a window and block the light coming through the lens from hitting the sensor.

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使用UV - stop防紫外线玻璃精确设计的反射器，具有良好的配光，无眩光产生。

Reflectors precisely designed with UV-STOP glass have excellent light distribution, with no generation of glare.

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