Use the scroll wheel and choose C.FnIV:Operation/Others. Until the arrival of the EOS 7D on previous EOS DSLRs back button focus had always been accessed via custom functions. It locks the original focus in, so you can get creative with your camera. 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). User2829114143 wrote: is there away to set back button focus on the Canon M50. Shutter butt. Most photographers get by for years without ever thinking about changing how and when the lens is focused. In bird photography, pressing the button with the right thumb to focus is the better choice. What Does the “Info” Button do on My Canon Rebel DSLR Camera. Here's an extract from an article in the July … Press OK and then the AE L button or the AF L button at the back of the camera now acts like an AF-On button for back button focusing. Out of the box, most Canon cameras are set up with metering and autofocus assigned to the shutter button. … The AF-ON button can be set to be the only way to initiate focus, disallowing the shutter button … If you use a Canon camera, the process of setting it up for Back-Button Focus starts with the Custom Function Menu. If your subject moves, focus again on your subject by pressing the back button and lock focus by releasing the back button. This may at first seem more complicated, but many photographers find that after a brief period of practice, they wouldn’t want to revert to the more standard method. It's a game-changer. The task of autofocusing is instead transferred to the AF-ON button, which is conveniently located on the back of the camera under your right thumb. In most cases, your AF-ON button will be used for focus and focus only. In this article, we will show you how you can quickly unleash the power of back-button auto focus on the Canon EOS 6D Mark II ().Be sure to check out our article on why everyone should switch to back-button auto focus here.. Most beginner Canon camera models will be very similar to this. 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. These instructions are based on a Canon T3i. Sitemap. Tutorial: Back Button Focus for Canon. Set [C.Fn IV: Operation/Others] → [C.Fn-8 Shutter/AE lock button] to option [1: AE lock/AF]. Lexy Savvides/CNET To fully enable back button focus using AF-On only, you will need to disable focusing when pressing the shutter button. This method is commonly called “back-button AF”. Thanks to commenter “S” for testing this and reporting back to me. Use C.Fn-10 set to option 1. half-press: Metering and AF start – if you want to switch to back-button focusing, then change this to either “Metering start” or “AE lock”. One button we use to focus and another button … You can adjust the focus ring as you see fit, and then press the shutter button knowing that it will not adjust the focus for you (even if your lens is not in manual focus … This functionality really comes into its own when you need the ability to switch quickly between focussing modes while shooting both moving and static subjects. Try it out and see what works for you. It can only do regular single back button AF. By default Canon EOS cameras use “front button focus”; the shutter release button activates the autofocus and exposure metering. Lexy Savvides/CNET To fully enable back button focus using AF-On only, you will need to disable focusing when pressing the shutter button. AI servo does not have a beep as it is focussing all the time. There are two ways to focus on a subject: using the shutter button or the (AF start) button. Back button focus means you no longer need to fiddle with the focus mode dial on your camera. Here’s how to enable back button focus on a Canon 5D Mark II and a Canon 50D (the settings are identical): Press the “Menu” button. 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. The AF-On button on the Canon 5D Mark III. Often referred to by pros as “back-button AF”, this feature lets the user customize the camera so that focusing is performed by pressing a rear button with the photographer’s right thumb. If you would like to try out back button focusing with AI Servo, you may want to store the settings on one of the custom modes. So you’re free to use your shutter button as just that, a shutter! If you don't use back-button focusing currently, you need to. 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