M8 undistorted lens facial recognition small lens 1/2.7 CMOS focal length 4.5mm aperture F2.5 TTL optical total length 7.8mm
配1/2.7CMOS芯片 焦距=4.5mm 光圈=F2.5 TTL光学总长=7.8mmhttps://yelens.com/data/attachment/album/202009/27/121459v3boib1trzi7zc3k.jpg
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