Compatibility: The POSP 12x50 WD is for rifles with a standard Weaver or Picatinny base. Specifications: Visible magnification, ratio 12 Angular field of view, degrees 2 Exit pupil distance, mm 65 - 82 Lens clear aperture, mm 50 Exit pupil diameter, mm 4,2 Eyepiece diopter adjustment range, dptr ±3 Scale interval of one click 20'' Supply voltage, V 3 Power supply CR123А Overall dimensions, mm 385х102х97 Weight, kg 1,3 Package includes: - NEW Optical sight, - Eye-shield, - Cover or box, - Operation manual. only original product BELOMO