Rusan MCR-M45P Connector Ring – M45 × 0.75

The Rusan MCR-M45P connector ring is the clip-on-side component for a modular Rusan adapter setup on a Zentron C Series thermal clip-on. Connector ring and adapter ring refer to this same device-side part.

Step 1 — device side: Zentron C35, C50 and C50R use an M45 × 0.75 eyepiece thread. Fit the matching MCR-M45P connector ring to this thread.

Step 2 — scope side: Pair the ring with a compatible Rusan modular scope clamp, such as the MAR-FX three-screw clamp, sized to the measured outside diameter of the day optic's objective housing at the clamping location.

This ring is one component of the modular system and cannot be used alone. Confirm the clamp, connector and kit contents before ordering.

MEGA compatibility: This modular adapter component is for Zentron C Series. MEGA devices cannot use these Rusan or Smartclip adapters; use the MEGA mounting system instead.