EOS-M42 Adapter Ring Suitable for Canon EOS EF Lens to M42 Screw Mount

This adapter ring cannot focus indefinitely and can only be used for macro photography.

• High processing accuracy, smooth loading and unloading, to protect the fuselage and lens.
• Manual model, can not adjust the aperture, please note that if the aperture cannot be adjusted, will not be returned.
• No additional lens can give full play to the quality and characteristics of the lens.
• Manual operation, manual focus, manual exposure.

Features:
It is just for macro shooting, it can NOT focus to infinity.
No ROM connection on the adapter.
Diaphragm control of the lens is set manually.
Automatic diaphragm, auto-focusing,or any other functions will not operate correctly while using this adapter.
"Stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body.

Made of aluminum
Installation: Rotate snap

What's in the box
1x Adapter Ring