20× Thress Pieces Two Groups Double Optical Lens Magnifier (Keep Intact and Achromatic)

Application area:
metallurgy，mould ，powder，chemical industry，biological specimen ，medicine, ore, jewelry, textile ,stamp, industrial printed circuit board  , precision component  ,  gardening  ,family, office, beauty, veterinarian , geology, printing , paper, oil paint ,steel, glass, etc.

Item：		20× Thress Pieces Two Groups Double Optical Lens Magnifier (Keep Intact and Achromatic)
Amplification factors：		20×
Object field (the area that can be seen)：		19mm
Working distance (distance between underside lens and object)：		10mm
Length：		21.5mm
Dimension：		30×21.5mm
Pupil distance (distance between upside lens and eye)：		13.5mm

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