Feature: Small, lightweight and portable design Focus with one hand HD, high light transmittance Support mobile phone shooting Applications: boating/yaqing, sports, bird watching, racing, horse racing, hunting, beach, travel Product model :80x80 Target diameter: 20mm Exit pupil diameter: 3.75mm Lens coating: FMC multi-layer broadband coating adjustment Focus mode: center/right eye focus Reference resolution: 4.5° Prism system: Paul prism Objective lens diameter :36mm Exit pupil distance: 13.1mm Field of view :8.5° Close focus range :5 meters Package Included:1x Binoculars Notes: 1. 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! 2. Please allow 0.1-2cm measuring deviation due to manual measurement.