The Japanese manufacturer Optisan offers binoculars with a waterproof design that meets the JIS 7 (Japanese Industry Standard Grade 7) standard and withstands adverse conditions. The body is additionally nitrogen-filled to prevent fogging. Thanks to excellent ergonomics, the binoculars fit well in the hands and the rubberized surface ensures a secure grip.
The Japanese optical system is at a very high level. The lenses are multi-coated with an anti-reflective coating that ensures optimal light transmission and reduces glare. Prisms made of optical glass BaK4 provide a bright and sharp image across the entire field of view.
Dioptre adjustment is located on the right eyepiece and can be adjusted in the range from -3 to +3 dioptres.
Option of tripod mounting.
Key features:
- lightweight construction ensures low weight
- BaK4 glass prisms and multi-layer anti-reflective coatings
- twist-up eyecups and sufficient eye relief for users wearing glasses
- rubberized surface for better grip
- complies with JIS 7 (Japanese Industry Standard Grade 7) standard regarding water resistance at a depth of 1 m for 30 minutes
- dioptre adjustment in the range of ± 3 dioptres