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。
In most cases, an infrared filter is used which lets the infrared light to pass through to the camera.
在许多情形下,会用到红外线滤镜,这可以将红外光传入到相机。
A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged.
为了不使蓝光进入相机而成像,可在相机的透镜前加一黄滤色镜。
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