This FotodioX Konica to Canon RF Lens Adapterallows you to attach Konica Auto-Reflex lenses to your Canon RF-mount mirrorless camera body. This adapter has a fully manual design, which does not relay electronic communication between the camera and lens, and maintains infinity focus along with the ability to use aperture priority metering. The ring's durable all-metal design also features chrome-plated brass lens and camera mounts to ensure a precise, no-play fit. Additionally, a tripod mount is incorporated at the base of the adapter for improved stability when working with heavier adapted lenses.

Konica Auto-Reflex Lens to Canon RF    Maintains Infinity Focus    Chrome-Plated Brass Mounts    Integrated Tripod Mount

Related Questions and Answers

Q: 1. What is the internal diameter of the threaded end?

A: The internal diameter of the Fotodiox T-mount to RF adapter's threaded end measures 41.62mm / 1.63" with our vernier calipers.

Q: 2. Does this mount the PK lens at the correct orientation?(i.e. aperture number pointing upwards) Or does it mount them at an angle, like the PK-EF adapters would do to try and clear the mirror on those cameras?

A: According to Fotodiox, they stat that yes, the FotodioX Pentax K Lens to Canon RF-Mount Camera Pro Lens Adapter does hold the lens in the correct orientation (unlike the PK-EF lens adapter).

Q: 3. May this adaptor accepts Contax G 21 mm without the need of cutting the roots of the lens itself?

A: Hi, you can use the Contax 21mm lens with this adapter mounted on a Canon RF mount camera without any alteration of the lens.

Q: 4. Is the tripod mount removable?

A: The tripod mount is fixed to the adapter.

Q: 5. @chris I am aware of that but my question was for the 39.95 version, I didn't quite understand your answer in regards to that?

A: Yes, the FotodioX Konica AR Lens to Canon EOS Camera Adapter B&H # FOPCEAKAR MFR # K(AR)-EOS-G is compatible with the 5D Mark III.

Q: 6. Can I control aperture with is adapter?

A: There is no aperture control on this adapter.

Q: 7. What is the difference between this adapter and the one for the sony nex mount? Can this be used with the a7r III?

A: The Sony NEX mount is the same as the Sony E mount, therefore you can use this adapter with the A7R III.

Q: 8. Can use for Canon 60d,5D ?? And.. focus infinity?

A: I had issues with the Cannon to Nikon mount everything was dark.

Q: 9. Does this adapter force crop mode, or will I be able to use the entire sensor with it?

A: This adapter has no electronic contacts so the camera will not switch to crop mode by itself. And since Leica M-mount lenses are made for the 35mm sensor, you will not need to switch.

Q: 10. What is the blue ring for?

A: The blue ring allows you to adjust the aperture in the lens from wide open to closed down.