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This control ring feature is a useful addition when compared to the base model. By utilizing the R camera’s Menu - Customize Dials option, the user can program the dial to do exposure compensation, or change shutter speed, or change aperture, or set ISO, or change AF method, or change picture type, or change white balance, or change color temperature.
Verified purchase: Yes | Condition: New
Works extremely well. Using this converter on R cameras allows EF lenses focus just as quickly as direct fit to EOS cameras. Retaining stabilisation and Exif information. Control ring useful for customising R camera controls to your own preferences. Usual Canon solid build quality .
Verified purchase: Yes | Condition: New
I use both the Control Ring Mount Adapter as well as the regular EF-EOS R Adapter, and I am very happy with both. However, the former is a real help in further refining and simplifying my workflow because I use the ring to control ISO. It's great to have at my fingertips an immediate way to adjust ISO rather than changing the setting in the camera's menu. Now I can control everything using three dials: shutter speed with the camera's top/front dial, aperture with the rear dial, and ISO with the control ring.
Verified purchase: Yes | Condition: New
The EF-EOS R Control Ring adapter works perfectly for using my EF lenses on my new R5 camera. I have had no issues. The fact that I can program the ring to my working style is very helpful. My EF lenses actually work better on this camera with the adapter.
Verified purchase: Yes | Condition: New
As I age, the weight of my equipment becomes more of an issue. So I bought an EOS R with the 24-105 f/4 L kit and really like this combination. But I have a large investment in EF and EF-S lenses and this control ring adapter allows me to use them all on the EOS R. Have tried it with my 100-400 f/4.5-5.6 L, my 75-300 f/4-5.6 L, and my 10-22 f/3.5-4.5 all without issue. The 10-22 f/3.5-4.5 did not produce the results I wanted given the cropping on the R, but it did work. I just bought the 16-35 f/4 L and am anxious to try it on the R using this adapter. I have the adapter programmed to allow me to change the lens aperture, as I grew up using manual lenses with aperture control rings and this is second nature to me. This adapter was an excellent investment.
Verified purchase: No
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