IR image window (lens) Standard, tele or wide Angle lens depending on option purchased.
红外成像窗口(镜头)配置标准，长焦或广角镜头根据所定购的镜头。
This is no issue with a tele lens, however with a super wide you are sweeping such a broad expanse that the polarizing effect will vary greatly across the sky.
对于望远镜头来说这木有问题，但是用超广角镜头时，所涵盖的部分极化效果差异巨大。
It is equipped with wide-angle lens and the tele-lens?
它装有广角镜头和长焦距镜头。
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