The Leica Calonox ARM52-52 Rusan Thermal Sight Clip-On Adapter 59054 is a versatile adapter that allows you to attach the Leica Calonox Sight to a Rusan scope. This throw-lever tensioning sleeve threads onto the eyepiece end of the Calonox and slides over the objective lens housing, providing a secure and stable connection. The adapter is lined with a special film to ensure extra gripping power and a scratch-free attachment. This accessory is essential for hunters and shooters who want to enhance their thermal imaging capabilities. Leica Calonox ARM52-52 Rusan Thermal Sight Clip-On Adapter 59054