What do you use the control ring for? Is it worth the extra cost between the two EF adapters?

magarity

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Feb 14, 2017
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I just got an R8. The camera has so many dial rings on the body that I'm not sure if the control ring is really worth the extra $70 on the two EF adapters, with vs without ring. I haven't used the one R lens I got with the camera enough to tell which adapter I should get for my EF lenses that I'm keeping. What do you use the control ring for and is it worth the extra on the adapter?
 

neuroanatomist

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Jul 21, 2010
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It really depends on how much control you want. The R8 has only two dials, whereas most higher level bodies have three. Three dials means one each for aperture, shutter speed and ISO giving you full control over the exposure triangle. The control ring provides a 3rd dial, I have mine set to ISO.

However, the original R had the same control limitation as the R8 with only two dials and IMO Canon developed Fv mode (which was first seen on the R) to deal with just that 'problem'. If you're not familiar with Fv, check it out. In a nutshell, you use one dial (thumb by default) to switch between setting aperture, shutter speed and ISO and the other (index finger by default) to change the value of the selected setting. Any or all of the settings can be set to Auto (and you can assign a button to return the selected setting to Auto, or to return all settings to Auto). It sounds more complicated that it is. In practice, it's a great solution and now my most commonly used mode on both the R8 and R3.
 
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neuroanatomist

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Thanks for the ideas; still not sure if I want the more expensive adapter with ring.
One other consideration is how many of your EF lenses you may/will upgrade (or cross-grade) to RF versions, and how quickly. When I started with RF, I bought the original EOS R and the RF 24-105/4L, but the 1D X remained my primary camera. I started with the vanilla adapter and later added the drop-in filter adapter. Thus, I never really got used to the control ring for routine use. After I got the R3, that became my primary camera and I swapped most of my EF lenses for the RF versions where available. I find that I use the control ring a lot more now, and I probably would have done so from the beginning if I'd gotten the adapter with it (the vanilla one came bundled with my EOS R).

IMO, it's generally better to have more control options available and not use one, than to have fewer options than you need. But I'd play with Fv mode before making a decision.
 
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Nemorino

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Aug 29, 2020
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Just depends on the body you own.
And which lenses! I don't like the position of the control ring of the RF 100-500L which is the same of the adapter (close to the body). It's my largest lens and the control ring is not easy to reach.
The most used of my EF lenses are two Laowa full manual lenses. It would be an advantage to use the control ring adapter ( which I don't own) with them as I have to adjust the metering more often.
 
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AlanF

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Aug 16, 2012
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It really depends on how much control you want. The R8 has only two dials, whereas most higher level bodies have three. Three dials means one each for aperture, shutter speed and ISO giving you full control over the exposure triangle. The control ring provides a 3rd dial, I have mine set to ISO.

However, the original R had the same control limitation as the R8 with only two dials and IMO Canon developed Fv mode (which was first seen on the R) to deal with just that 'problem'. If you're not familiar with Fv, check it out. In a nutshell, you use one dial (thumb by default) to switch between setting aperture, shutter speed and ISO and the other (index finger by default) to change the value of the selected setting. Any or all of the settings can be set to Auto (and you can assign a button to return the selected setting to Auto, or to return all settings to Auto). It sounds more complicated that it is. In practice, it's a great solution and now my most commonly used mode on both the R8 and R3.
The waste bin (garbage can) button resets a selected Fv setting to auto.
 
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neuroanatomist

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The waste bin (garbage can) button resets a selected Fv setting to auto.
That's the default on both the R3 and R8. Additionally, on the R8 the up and left 'buttons' on the D-pad do that and the down and right D-pad buttons reset all the settings to Auto. On the R3, there's no default button to reset all the settings at once, I have that assigned to the movie start button.
 
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Apr 25, 2011
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What do you use the control ring for and is it worth the extra on the adapter?
I use it with R5 and EF 100-400 II to switch between default focus areas. Would be not useful if you do back button focus with predefined focus areas.

The waste bin (garbage can) button resets a selected Fv setting to auto.
And if you keep it pressed for longer than 3 seconds, it resets aperture, shutter speed, and ISO to auto, and exposure compensation to 0... or at least on R5 and on R6II it does.
 
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neuroanatomist

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AUGS

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Feb 13, 2012
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Thanks everyone for the insightful information. You've given me good information to consider, and I may get one of each, vanilla and control ring.
As someone about to (finally) switch to R-series cameras (with the R5m2 pending announcement) I can't really afford to switch to RF lenses just yet, and I have the latest versions of the EF lenses. This seems the most logical route.
 
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Aussie shooter

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I can't remeber what you shoot with. I use Fv on the R5 and the big wheel at the back does exposure compensation.
I use an R6 still. Haven't felt the need to upgrade at all. And the auto exposure is so much better than what I could manage when panning through fast changing dappled light as you know
 
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docsmith

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Sep 17, 2010
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I bought the adapter with the bonus control ring. I tried it with a few things for a while. Owning an R5 with 3 rings, I found that 1) I really did not need another control ring; and 2) I did not like the location so close to the body. It is not a very fluid location.

As for EF-RF adapters, I do use the one that you can slip in filters. Usually it is clear glass, but I have a variable ND and CPL That is a very nice feature.

Otherwise, I would simply go with the regular adapter and save some money.
 
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