for C-mount CCTV movie lens to Canon full-frame mirrorless camera C-mount ring C-EOSR adapter ring 

 Features:

Make C mount lenses can be used for Canon C-EOSR mount cameras.

There is no ROM connection on the ring so diaphragm control of the lens is set manually.

Please installing / uninstalling the adapter after turning off the camera.

It is possible to use macro rings and other accessories.

It can't focus to infinity, just for macro shooting

Macro shooting is difficult, please set to maximum aperture to facilitate focusing, turn the focusing ring to complete focusing, then adjust the aperture properly to obtain satisfactory depth of field

Specifications:

Material: Aluminum Alloy

Color: Black

Hole Diameter: 25mm/0.98in

Product name: C-EOSR adapter ring

Material: high quality aluminum, electroplated black

Function: C-mount CCTV movie lens can be transferred to Canon EOS R body, and C-mount lens can be used on Canon full-frame body.

Package include:

1x C-Mount RingC-EOSR Adapter Ring