Precise controlling of the polarizers' separation Angle.
偏振器旋转角度的精确控制。
Polarizers can also increase the contrast of a photograph because they can remove reflection.
偏光片还可以增加照片对比，因为他们可以消除反射。
Polarizers can also increase the contrast of a photograph because they can remove reflection.
偏光片还可以增加照片对比，因为他们可以消除反射。
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