Rusan Q-R adapter M52x0.75 for Ø64 mm (ARM52-64)

What it is and what it’s for

The Rusan ARM52-64 adapter connects vision devices with an M52 x 0.75 thread to scopes or tubes with a 64 mm external diameter. It is intended for mounting clip-on monoculars and thermal/nocturnal devices to the objective of a riflescope or similar optical tube, providing a secure mechanical coupling.

Key characteristics

The adapter features an internal M52 x 0.75 thread for the device and is made for a 64 mm external diameter. This version includes a quick-release (Q-R) clamp for faster attachment and removal. It adds approximately 3 mm of length to the fitted device and has a weight of 0.164 kg. The material is aluminium.

Compatibility

ARM52-64 is suitable for many clip-on and monocular models; cited examples include Liemke Luchs 1 & 2, Liemke Merlin 35, Night Pearl Seer, Cono Seer, Leica Calonox 2, Guide TAxxx, Burris BTC, JSA, Nitehog Viper, Steiner Nighthunter C35 and Lahoux Clip 35 & 50.

Contents and notes

Dimensions, thread, weight, 64 mm diameter and Q-R version