Rusan ARM52 Adapter Ring for Fusion Thermal Scopes | 30mm–69mm Objective Diameter

Rusan ARM52 Adapter Ring – Universal Mounting Solution for Fusion Thermal Scopes

The Rusan ARM52 adapter ring bridges the gap between your Fusion Thermal scope and virtually any optical device, mounting system, or filter system. Available in objective outer diameters from 30mm to 69mm, the ARM52 is precision-machined in Europe to exacting tolerances that ensure a firm, wobble-free connection with zero image shift. Select your objective lens outer diameter from the dropdown to get the exact adapter your setup requires.

• Compatibility: Fusion Thermal WTS and AV series scopes with standard objective threads
• Available sizes: 30mm through 69mm objective outer diameter (1mm increments)
• Material: Precision-machined aluminum
• Finish: Matte anodized – corrosion and glare resistant
• Thread engagement: Secure, wobble-free fit with zero image shift
• Made in: Europe to ISO manufacturing standards

How to measure: Measure the outer diameter of your objective lens housing (not the lens glass itself) in millimeters, then select that size from the dropdown menu.