Also provides a powerful sun filter over the roof, which gives a pleasant comfort feeling within the volume without the need of artificial conditioning.

建筑还在屋顶提供了一个太阳滤波器，无需人工调节就能保持房间内舒适感觉。

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For starters, safely taking pictures of the sun requires a special solar filter on the camera.

对初学者来说，安全地拍摄太阳照片的相机上需要一个特殊的太阳滤波器。

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Similarly, if it is dusty or there are a lot of other larger particles in the air, this will filter out larger wavelengths, resulting in a red sky and red sun.

同样，如果空气中尘埃比较多，或是空气中有很多其它大颗粒，那么那些较长的光波就会被过滤掉，于是天空就会是红色，太阳也会是红色。

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Eclipse glasses, dark welder's goggles or an astronomer's filter made for sun viewing are recommended if people want to look skyward.

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