This Novoflex Universal Bayonet A Adapter Ring enables the use of Canon EF-M-mount cameras with select bellows, lenses, and lens adapters. It is compatible with Hasselblad V, Mamiya 645, and a Pentax 6 x 7 medium format lens adapters; BALPRO T/S AND BALPRO 1 bellows units via the APRO ring; CASTBAL T/S bellows units via the AUNI ring; historic C- and D-series 35mm follow focus lenses; and historic B-series 35mm follow focus lenses via the BAL-U special bellows or BA special tube.

Attach Select Bellows, Follow Focus Lenses, and Medium Format Lens Adapters to Canon EF-M Cameras

Related Questions and Answers

Q: 1. Will this work on the original Sony a7?

A: Yes

Q: 2. Will this work on FX9, using Canon EF L series and maintain full frame

A: Yes. System will allow you to mount lens but keep in mind the adapter increases Angle of View by 0.71x.

Q: 3. Will this work with a sigma 18-35mm F/1.8 art series lens ?

A: The Vello Canon EF Lens to Sony E-Mount Camera Accelerator AF Lens Adapter is for use with full frame lenses. You would experience extreme vignetting using an APS-C size sensor lens with this adapter, as the adapter reduces the size of the lenss image circle.

Q: 4. Any potential issues or limitations if using this on the new Sony FX30?

A: The Vello Accelerator Lens Adapter for Canon EF-Mount Lenses to Sony E-Mount Cameras should work well with the Sony FX30.

Q: 5. Will this work with the sigma 8mm f/3.5 EX DG Circular Fisheye len?

A: Yes. The auto focus hunts for a while, but auto focus does work.

Q: 6. Is there any way to adjust this so I can achieve infinity focus?

A: Unfortunately this cannot be adjusted in any way and is designed to mount at a specific distance from the Sony camera sensor. There may be alternative accessories you could add to it for infinity focus. We may have several options, available from multiple companies, depending upon your needs and their unique features. Please contact our Sales team via chat, email, phone, or visit our NYC SuperStore for additional information.

Q: 7. Will this work for the Tamron 70-200mm F2.8 DI VC USD (EF mount) on the Sony A6000?

A: As long as it is the EF Mount.

Q: 8. Will this adaptor allow me to use my Canon FD lenses on a LUMIX S1H?

A: Yes, this adapter will allow for the use of Canon FD lenses on the Panasonic S1H.

Q: 9. Can it work on FS700?

A: I haven't done extensive tests on picture quality, but I can say that it generally works very well on the FS700. As advertised it increases the aperture and field of view, and reduces the depth of field. I've used it with a Canon 24-105 L, Tokina 11-16 and Tamron 70-200 and it is able to control the aperture of all these lenses. Don't know about autofocus because I don't use it. I'm very happy with this adaptor, especially for the price. Worth it.

Q: 10. Dear friend, how can I adjust the aperture with this thing?

A: Canon FD lenses are manual lenses , you control (adjust) the aperture on the lens