Leica Calonox 2 ARM52-52 Thermal Clip-On Adapter

Leica's Rusan Sight Adapters allows you to join a Leica Calonox thermal Sight with a rifle scope. It's a throw-lever tensioning sleeve that threads onto the eyepiece end of the Calonox and slides over the objective lens housing.The Rusan Adapter is a simple way of attaching a thermal clip-on device to your day scope's objective. Simply slip it over the front lens of your scope and move the lever to the " clamp closed" position.The adapter slips over approximately 1.4" of your objective lens so t