8x18 mm monocular generic roof prism spotting scope night vision general use bird watching bak4 multi coated normal
Structuresmonocular eye relief mm10 magnification8 objective lens mm18 field range 7 typenormal materialmetal rubber plastic prism typebak4 exit pupil diameter mm23 magnification5x to 99x eye relief range mm10mm 15mm exit pupil diameter range mm2 3mm objective diameter
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