KOWA TSN-82SV SERIES SPOTTING SCOPE
Outstanding light gathering power with 82mm objective lens and very bright field of view. All lenses prisms, and dustproof glass are fully multicoated, ensuring sharp images and a clear visual range.
The housing is waterproof to JIS protection class 7 and filled with dry nitrogen gas to prevent the lens from fogging.
JIS 7 = Japanese Industrial Standard / class 7 = Protected against the effects of temporary immersion in water.