1. Full optical coating increases light transmission for brighter, clearer images in high contrast situations
2. Rubberized material supports UNC 1 / 4-20 tripods.
3. Soft and comfortable adjustable neck and shoulder straps for easy use
4. Objective lens diameter: 50mm
5. Magnification: 10x
6. Prism type: Porro BaK4
7. Eyepiece diameter: 23mm
8. Pupil exit: 5mm
9. Eye relief: 23mm
10. Field of view: 7.5 degrees
11. Nearest focusing distance: 6m
12. Parallax compensation: right eyepiece
13. Diopter compensation: about 4D
14. Waterproof: IPX6
15. Eye relief: 60-70mm
16. Eyecup: folded down
17. Tripod adapter connector: UNC 1 / 4-20
18. Net weight: about 1023g
19. Size: about 17.9 x 6.2 x 19cm