Seeker 10x50 mm binoculars high definition night vision wide angle bak4 fully coated dimlight 115m1000m central focusing
Whats in the box1 lens cleaner 1 bag structuresbinoculars eye relief mm23mm magnification10 objective lens mm50 typedimlight materialaluminium alloy eye lensmm22mm lens diametercm20 30mm prism typebak4 field of view115m1000m focus systemcentral focusing exit pupil diameter mm5mm best usecan not be used in total darkness it works as long as there are some light magnification10x to 149x eye relief range mm20mm exit pupil diameter range mm5 7mm o