HTK-72 20x-60x High Definition Night Vision Zoom Monocular Telescope for Outdoor Camping Birdwatching with Tripod(Black)

1. Magnification: 20x-60x
2. Field of view: 100.5FT-52.5FTT
3. Eyepiece diameter: 18mm
4. Objectve diameter: 80mm
5. Exit pupil diameter: 3.2-1.15mm
6. Exit pupil distance: 18.3-16.3mm
7. Minimum focus discance: 6.5m
8. Prism system: Porro
9. Waterproof type: Nitrogen-filled waterproof
10. Coating: Multilayer FMC
11. Size: 430x92x165mm
12. Net Weight: 1026g
13. Package: Telescope, eyepiece cover, objective lens cover, soft bag, cleansing cloth, manual, color packing box