Kahles 56mm Objective Flip-Up Lens Cover, Helia/K525i brand_-Napier The specification says it all:

The specification says it all: waterproof

and the housing is nitrogen-purged and submersible to 4 m

developed from over 20 years of data and 120

Water-sealing wrist cuffs

As a straightforward two-piece dovetail mount

Kahles 56mm Objective Flip-Up Lens Cover, Helia/K525i brand_-Napier The specification says it all:This is the Kahles flip up lens cover for the 56mm objective end of their larger riflescopes, fitting the K525i, K624i, K1050 and Helia 56mm models. Made by Tenebraex for Kahles, it clamps onto the objective bell and shields the front lens from rain, mud, snow and knocks while the scope is slung or carried through cover. The hinged lid flips up and out of the line of sight when you need a clear view, so you can go from a protected lens to glassing or