Specification: Product model: 80x80 Reference resolution: 4.5 Magnification: 10x Prism system: Paul prism Eyepiece diameter: 20mm Objective lens diameter: 36mm Exit pupil diameter: 3.75m Pupil exit distance: 13.1mm Lens coating: FMC multi-layer broadband coating Field of view angle: 8.5 Focusing method: center/right eye focusing Close focus distance: 5 meters Net weight of product: 540g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Binocular 1 x Storage bag 1 x Cleaning cloth 1 x Lanyard 1 x Instruction manual