Other 8x18 mm monocular generic high definition wide angle eagle vision spotting scope general use bird watching cellphone multi coated
Structuresmonocular magnification8 objective lens mm18 field range 180 typezoom binoculars normal materialrubber plastic lens diametercm20 30mm field of view21000 focus systemcentral focusing exit pupil diameter mm3 magnification5x to 99x eye relief range mm
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