Prism is hermetically sealed and charged with nitrogen to prevent fogging; ideally suited for cold weather regions as well as high humidity areas.

Features:

-All metal holder and target warranted for life

-Fully compatible with leading manufacturers such as Sokkia, Nikon, etc.

-Tension adjusting brass knob

-Nickel plated brass 5/8"x11 bayonet adapter

-Target Colors available: Orange, Chartreuse Yellow

-Canister color available: Black only