Eyepiece diameter: 23mm Magnification: 12X Exit pupil distance: 17mm Focusing system: center axis focusing Objective diameter: 42mm Prism diameter: 16.5mm Waterproof system: IP67 waterproof and dustproof Exit pupil diameter: 4.2mm Field of view: 123M/1000M Product size: 18x6x13cm Close focus distance: 3meter Prism system: BAK4 Lens type: all-optical ED lens Lens coating: A5 Zeiss Red +FMC full band green film Colour:A:Army Green Material:plastic Package Contents: 1 * Binoculars 1 * Shoulder bag 1 * Lanyard 1 * Eyepiece cover 1 * Objective lens cover 1 * English user manual 1 * Lens cleaning cloth 1 * Mobile phone holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.