Rusan Adaptor for Pulsar attachment thermal imaging devices and night vision devices, easy to mount on binoculars, spotting scopes and more. : Amazon.de: DIY & Tools
Clip-On Adapter Ring Rusan HikMicro Thunder TH35C
Rusan ARM52-57 Adapter #59050 - Camera Land NY
RUSAN adapter for Pard NV007S - YouTube
Night Vision Adapter Rusan Q-R M52x0.75
Rusan modular adapter – connector
Leica Rusan Sight Adapter (52-58) 59051 B&H Photo Video