8x50 mm monocular high definition night vision bird watching bak7 multi coated 153m1000m
Structuresmonocular eye relief mm9 magnification8 objective lens mm50 field range 3 materialrubber eye lensmm14mm lens diametercm12 20mm prism typebak7 field of view153m1000m exit pupil diameter mm25 magnification20x up eye relief range mm
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