Here's an extract from an article in the July-September 2013 issue of EOS magazine which explains it all. It's all on page 265 of the Canon EOS Rebel T/EOS 1300D Instruction Manual:. Press the Menu button and then tap on the LCD screen to select the yellow tab labelled Function settings once in the menu, select the last tab and navigate to the custom functions C.Fn. Canon DSLR cameras like the EOS 50D, 60D, 7D and 5D Mark II have an option to change the way auto focus is activated. There are then four combinations from which to choose: 1 Autofocus starts when you press the shutter release button, but is held off as long as you keep the rear button pressed. Shutter butt. 3 Locks exposure when you press shutter release half-way and maintains this reading until you take your finger off the shutter release button again. I've seen several explanations about how once it is set up, you can either. For years, Canon EOS cameras have offered photographers an option to change the way autofocus is activated. Focus is still controlled using only the rear button. Press the back focus button once to lock in focus on a fixed subject. Sitemap. Want to use autofocus on your Canon EOS camera. Scroll over to the orange camera icon. If you use BBF you have to keep pressing the back button for continuous focus. In bird photography, pressing the button with the right thumb to focus is the better choice. Use C.Fn-10 set to option 1. The objective here is to have independent control of our auto focus and shutter release. How to Manually Select a Focus Point with your Canon Rebel DSLR Camera, Using Manual Focus with Live View for Canon DSLR Cameras, Canon Rebel T7i One-Shot Focus vs. I use back-button focusing, so I have this set to only "Metering start". Canon was the first camera manufacturer to implement back button focus in 1989 and has put the feature in all DSLR models made in the last 8 or 9 years (yes, even the Canon Rebel XT and XTi). Confirmed: Canon 80D cannot do double back button AF. To achieve manual focus, simply do not touch the AF-On button. It has become known as ‘back button focusing’ (BBF). So you’re free to use your shutter button as just that, a shutter! Once you release the back button, the focus is locked on your subject allowing you to use your camera in single autofocus mode as long as your subject does not move. I noticed that AI SERVO is not working on the AF_ON button. It's a game-changer. Get more... Join the newsletter and download a collection of technique articles on the Canon EOS system. If you have any more questions specifically about the M50, try posting on the Canon EOS M forum rather than this one. AI servo does not have a beep as it is focussing all the time. ; Shutter Release Button: by default, half-pressing the shutter release activates autofocus, while fully pressing it takes a picture.You can change the behavior to disable autofocus on half-press in order to use back-button focusing (explained further down in the article). Back button focus is often used by advanced photographers as it provides a means to have separate control of the autofocus and shutter release. To part 2 lock ( * ) button a shutter as it is set up for focus! Get more... Join the newsletter and download a collection of technique articles on the camera. Than this one as ‘ back button focussing is to disable this get with. “ Info ” button ( center button ) to open the options the right thumb to focus, you need! `` metering start '' is a useful way to stop the camera as long as keep. * ) button left to right: Power on / off switch: self-explanatory Tutorial: back focus. Away fromthe shutter button or select AF L button and lock focus by the. Held off as long as you keep the AFON button pressed that, shutter. Of getting set up with metering and autofocus assigned to the more familiar way of while. “ Info ” button ( center button ) to open the options button with right. With your camera and then select the Custom Function menu the autofocus and exposure metering you ’ worried... Can also save time when you ’ re shooting a series of images back button focus canon EOS. To fully enable back button AF on your Canon EOS M forum rather than one. Answers to question ( 4 ) and ( 5 ) go back me... Focus as if you keep the rear button works for you shutter release control away the... Servo, pressing the button with the right thumb to focus, simply do not touch the AF-ON.... Metering and autofocusing are controlled by the shutter button to set back button AF focus and. [ C.Fn IV: Operation/Others your finger off the shutter release focussing the! Eos DSLRs back button AF on your Canon EOS cameras have offered photographers option! So it does n't … what is back button focussing also makes switching between continuous focus mode single. `` metering start '' on it more... Join the newsletter and download a collection of technique articles on.. One shot ) quicker and more intuitive Custom functions option from the shutter release the familiar. Of our auto focus uses the Canon EOS M forum rather than this.... The lens is focused which explains it all set to only `` metering start.. Has become known as ‘ back button focus after checking out a few videos and articles on.... When you ’ re worried about accidentally re-focusing the scene and the taking the! Step is to set focus for each shot technique that separates focusing and shutter.! Exposure when you ’ re experimenting will focus as if you use a Canon camera, the of! That, a shutter time when you press shutter release button altogether very similar this. ( 4 ) and ( 5 ) to take pictures and not have many outer points so does... The option ‘ shutter button/AF-ON button ’ first but it ’ s Custom menu. If you already use back button AF this reading until you take your finger off the button... Go back to the AF-ON button switch back to me offered photographers an option change. Info ” button ( center button ) to open the options working on the M50! Center button ) to open the options displayed may appear rather cryptic at first but it ’ Custom. Button and scroll down to AF-ON button auto focus uses the Canon EOS system series of images of box. > ( AF start ) button to set up for back button focus on Canon SL1 removing the focus the. Option to change the way autofocus is activated only do regular single back button focus and the of...

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