In an In-Line filterHolder setup, the light that passes through the filter is collimated.
安装了在线滤光片支架后，穿过滤光片的光线是平行的。
2
The filter bowl is fixed together with the filter head through the clamp, and is fixed with the dish valve which is fastened on the filterholder.
滤杯通过卡箍与滤头固定在一起，然后与紧 固在过滤支架上的蝶阀相固定。
3
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