The Lens Mount Adapter for Canon EF/EF-S Mount Lens to Canon EOS M Camera from Dot Line allows you to use your collection of Canon DSLR lenses with the mirrorless EOS M camera body. It will maintain automatic focusing and metering capabilities and features a removable tripod mount for stability and security when using larger lenses. 

Mount Canon EF/EF-S Lens on EOS M Camera    Retains Autofocus and Auto Exposure    Removable Tripod Mount

Related Questions and Answers

Q: 1. Will this adapter work on my 75-300 lense that I use to use on my Canon Rebel XTi camera?

A: Yes it is compatible with the Canon 75-300mm lens.

Q: 2. Does this work with the Canon EF 24-105 mm f/4L IS II USM lens? Would it all work together on the Canon EOS R8 camera?

A: Yes, the Canon Mount Adapter EF-EOS R is compatible with the Canon EF 24-105 mm f/4L IS II USM lens and the Canon EOS R8 Camera. Autofocus and auto exposure will also work.

Q: 3. Isn't the basic EOS EF to R adapter included free in the box when you buy the EOS R body? That's what a Canon rep said in one of their presentations.

A: No this is not included with EOS R

Q: 4. Will it work with a EF 90d?

A: No, the Canon Mount Adapter EF-EOS R is for R series cameras. Not EF/EF-S cameras.

Q: 5. Will this work with third party EF mount screw drive lenses?

A: EF mount is always electronic, I never saw a screw drive EF mount, but if there is one out there, the autofocus wouldn't work. Canon Mount Adapter EF-EOS R only works with electronic autofocus.

Q: 6. Can I use sigma/tamaron lenses made for Canon camera's using this adapter on a Canon EOS R?

A: Yes, should work without any issues.

Q: 7. How do I make this adapter work ? By simply attaching it to the EF lens or have to do some further tweaking in the camera.

A: No further steps are necessary. Simply attach the Canon EF-RF Mount Adapter to the camera and attach your EF lens to it.

Q: 8. It sounds like that all of my EF lenses I currently use on my 5D Mark III will not be cropped when I attach them to the R6?

A: The adapter does not crop the image.

Q: 9. Does anyone know if this will work with the me Canon C70?

A: It will work with the RF-mount version of the C70, but there is also an EF version of the camera that would not require an adapter for EF lenses. https://www.bhphotovideo.com/c/product/1399823-REG/canon_3042c002_eos_c700_full_frame.html/accessories

Q: 10. Will this work with all EF lens or just the EF-L series?

A: According to Canon's web site, it will work wit all Canon EF (including EF-L) and EF-S lenses.