与普通大棚相比，南方日光温室的总进光量较大。
Compared to the normal greenhouse, more sunlight entering could be captured in the southern-type solar greenhouse.
将快门速度调至 1/8000 - 非常少的进光量.
Set shutter speed to 1/8000 - very little light gets through.
紫边是因为组合使用滤光镜的缘故，黑色背景是因为我把进光量调的非常小。
The purple tinge is due to the combination of filters. The surround is black because I was letting so little light into the lens.
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