This is a sealed and waterproof binoculars with an integrated lighted compass function. The technology adopts FMC multi-layer coating to make the color reproduction true, reduce glare and ghosting, and BAK4 prism.
Suitable for use in various outdoor environments.

Objective lens -   50mm
Exit pupil distance -   18mm
Exit pupil diameter -   5.2mm
Field of view -   7.1 degrees
Prism -   BAK4
Nitrogen filled waterproof IPS7
Dimensions -   6.1'' x 5.1'' x 1.97''
Weight -   780g