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EOS 6D Mark II Thoroughly confused on back button focus (yes, I read the manual!)

Skip70
Enthusiast

Yes, I believe the first step is to carefully read the manual, and I've done that several times. I must have taken my dumb pill this morning, but I need some hep and hope someone here can offer that. 

I have already "removed" AF from the shutter button. 

I'll start with what I['m tryin to set as a capability:

  • press and release the AF On button to hold focus as I hit multiple shutter clicks  
  • be able to hold the AF Botton while in Serco mode. 

What I don't understand is how to assign both functions to that button. I don't understand what AF Start and Stop means,, but I also don't understand how to assign those two functions on the button. If I select one, it shows on the menu, but if I then pick the other, the first one is replaced. 

Help, please? 

1 ACCEPTED SOLUTION

Frankly, I read that, but you didn't say you had seen the video!

Have you set the focus to servo mode as well as assign the AF button?  So it works in servo mode? If not that will not complete the necessary steps.

If that is still the case, perhaps have the camera checked to see if the button is malfunctioning. Perhaps get a second opinion from someone who is experienced with the gear.  If you have a local camera store that you frequent they are often happy to help you out - after all most of them will be photographers themselves.


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

View solution in original post

13 REPLIES 13

I was missing the need to set the default focus mode to Sevco.   I was not aware that it was best to leave that as the default mode, but only for moving subjects. Thank you. It now works.  

You're welcome.  Please mark the post that provides the solution as the resolved one to help others who may have the same issue, and HAPPY SHOOTING!!!! 🙂


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

Skip70,

I read this on another website concerning the AF-STOP or AF-OFF function:

- QUOTE -

"According to Canon's Lens Performance page, this button is intended as a way to temporarily disable the autofocus, for example if you see that an object is about to pass in front of the lens that's not on the same plane as your primary subject. Thus, focus is retained (or close to retained, with a moving subject) while the obstruction passes, and autofocus can be resumed from a good starting point once it's gone.

Edit: Note, also, that the AF Stop functionality can also be achieved through other buttons on some cameras, via Custom Function settings, by setting a button (e.g. the * button) to "AF-OFF". (Thank you @caleb, for that information.)

- ENDQUOTE -

Steve Thomas

These cameras are endowed with so much functionality it can bewildering! Paradox Of Choice writ large.

 

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