Visionking 20-60x60 Waterproof Spotting Scope Zoom Bak4 Spotting Scope Monocular Telescope for Birdwatching Hunting, With Tripod Specifications: 1. Objective dam(mm): 60mm 2. magnification: 20-60x 3. Field of view(m1000m): 45-15 4. Exit pupil(mm): 4-1.33 5. Close focus distance(m): 10 6. Prism glass: Bak4 7. Eye-Relief(mm): 18-15 8. Weight(g): 1900(package with tripod,case etc.) 9. Fogproof: yes 10. Coating: fully multi-Coated 11. Nitrogen purged: yes 12. Packaging details: 1x 20-60x60 Visionking spotting scope; 1x soft carrying case; Features: 1. O-ring sealed,100% waterproof 2. Dry Nnitrogen-Purged and Sealed,100% fogproof 3. BaK-4 prisms 4. Fully multi-coated optics 5. Long eye relief 6. Close focusing 7. 20x-60x Zoom eyepiece 8. Soft case and tripod included 9. Retractable sunshade 10. Be fitted to any standard camera tripod. Descriptions: This 20-60x60 rubber coated body for durable,it is fully multi-coated optics combined with BAK4 prisms ensure a crystal clear image in all conditions.