Structuresmonocular magnification30 objective lens mm60 typedigital materialaluminium alloy rubber eye lensmm22mm lens diametercm20 30mm field of view183m1000m exit pupil diameter mm5mm magnification20x up exit pupil diameter range mm5 7mm objective diameter50 70mm field of view range300ft1000yds optical systemporro minimum focus distance m4m eyecupsrotary liter dioptric correction134mm tripod mountyes brandlbn brandlbn forgeneral use