Specification:MaterialABS, MetalColorBlackModel30x60Exact magnification10xObjective diameter22mmPrismBAK4Prism systemRoofExit pupil distance12mmNear focal distance3mFocus wayCentral focusAngle of view7.2°Range of visibility126m/1000mDimension9 x 6 x 4cm/3.54 x 2.36 x 1.57inchWeightApprox.180g Featur..