Esdy 8x50 mm binoculars waterproof tactical military night vision weather resistant hunting general use bak4 fully multi coatedzoom
Structuresbinoculars magnification8 objective lens mm50 field range 65 typezoom binoculars materialrubber eye lensmm30mm lens diametercm20 30mm prism typebak4 field of view357ft1000yds focus systemcentral focusing exit pupil diameter mm625 magnification5x to 99x exit pupil diameter range mm5 7mm objective diameter30 40mm field of view range300ft1000yds waterproof levelipx 5 optical coatingfully multi coated brandesdy brandesdy forgene