4K 10_300X40mm Super Telephoto Zoom Monocular Telescope Portable_Waterproof_ dusproof_ Shockproof_HD_Easy Focus_Night Vision_for Bird Watching Hunting Camping Travelling Hiking _Black_

Objective lens diameter:25mm Magnification: 10x300 Eyepiece diameter: 12mm Exit pupil diameter: 4.2-1.7mm Eye relief: 14-12mm Field of view: 0.5-3000m Minimum focusing distance: 2.5m Size: 192/117x32mm (stretching and shrinking) Weight: 118g Prism: BAK4 prism Coating: FMC Colour: Black Eye mask: rotating eye mask Waterproof: yes Tripod can be connected: Yes Connected phone: yes Used for: racing, beach, bird watching, boating/yachting, horse racing, hunting, outdoor activities, sports, theater, travel Material: optical glass Type: Monocular