Magnification: 10x ,- Lens diameter: 42 mm ,- Prism: Proof BAK 4 ,- Lens coating: complete multilayer coating ,- Field of view: 6,1°, 106 m/1000 m ,- Focusing: Zentral ,- Exit pupil: 4,2 mm ,- Eye relief: 16,1 mm ,- Close focus distance: 4 m ,- Diopter adjustment: -4 / +4 ,- Interpupillary distance: 56 – 74 mm ,- Waterproof (max. depth/time): 0.5 m / 15 min. ,- Nitrogen filled: yes ,- Thread for tripod: yes ,- Dimensions (approx.): 146 x 135 x 55 mm ,- Weight (approx.): 550 g