Description Delaman monocular telescope has a 4K 10-300X40mm Super Telephoto, equipped with FMC(fully multi-coated) green film lens and clear BAK4 prism, 7-17 times power and 100% nitrogen-filled solid construction, is a good addition for any outdoor enthusiast, perfect for sightseeing, sports games, hiking, hunting, climbing, bird watching, watching wildlife and scenery and other outdoor activities. It brings the world closer and provides high-resolution images with extremely accurate color reproduction. Specifications: Material: optical glass Type: Monocular Objective lens diameter: 30mm Magnification: 7-17 times (corresponding to the adjustment level 10X100) Eyepiece diameter: 22mm Exit pupil diameter: 4.2-1.7mm Eye relief: 14-12mm Field of view: 230-110FT @ 1000YDS Field of view: 4.4-2.1 degrees  Minimum focusing distance: 2.5m Size: 173 x 128 x 43mm (retractable) Weight: 150g Prism: BAK4 prism Coating: FMC Color: Black Eye mask: rotating eye mask Waterproof: yes Tripod can be connected: Yes Package List: 1x Monocular Telescope 1x Storage Bag 1x Rope 1x Cloth 1x Tripod 1x Clip Brand: Delaman Manufacturer: Delaman Manufacturer Part Number: Delaman89578 Condition: New