The lenses details is as follows:
Radius:R1=29.2mm R2= -23.6mm R3= -71.45mm
Focal length: 50mm
Back focal length:42.7mm
Thickness tolerance: +0.1/-0.1mm
Surface quality: 60/40
Coating: AR 400-700nm
Application:optical precision instrument
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
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