Her best selling books include Digital Photography For Dummies and thirty titles on Canon and Nikon cameras.Robert Correll is a digital media expert who authored Digital SLR Photography All-in-One For Dummies. You’ll notice that when you do go to take the shot, the shutter button has already lowered its head halfway as if by magic. In the advanced exposure modes (P, Tv, Av, M, B, C1, and C2), you can hold down this button to accomplish the same goal as pressing the shutter button halfway. If you’re nervous about pressing the shutter halfway on your EOS 80D for fear that you’ll accidentally take a photo, you might want to acquaint yourself with the AF-ON button. I had a 20D with back button focus set, and it took some experimentation to get it right on the 40D and I knew what I wanted. There are two ways to focus on a subject: using the shutter button or the (AF start) button. For the EOS 800D pictured above the AE-lock button with the * icon is the button you press for focus. Canon's somewhat poorly written user manual has a lot to do with the arcane functions becoming more obtuse. Firstly you set the back button AF much the same as the EOS 800D above, but it is C.Fn 8 on the EOS 200D. Then you would aim the camera towards the flowers and press the * button to focus. This is a lesson from my Canon 70D Crash Course Training Video on how to focus It will also work for the Canon 80D. When back button AF is configured the shutter button no longer activates or drives the focus. When set to 3: AE/AF, no AE lock, then the camera will focus with the back button, but he shutter button won’t lock the exposure at all. I wish to sign up to your newsletter.Your information will be passed to MailChimp to process the newsletter signup. [923]. Using the AF-ON button can also save time when you’re shooting a series of images of the same subject. Some buttons have multiple “official” names because they serve multiple purposes depending on whether you’re taking pictures, reviewing images, recording a movie, or performing some other function. So the EOS 200D has an additional customisation that helps if you want to use back button AF. In effect you are able to use AI Servo focus for static subjects and still focus, lock (or more accurately don’t refocus) and recompose. Back button focus configurations is in Function settings. The default setting, no back button focus, Back button focus, but half press on the shutter locks the exposure. This book refers […] The AE Lock button is located at the top right portion of the rear of the camera and for many photographers, it isn’t used all that much. This can be used to pause the AF if you are using AI Servo AF. This means that if you take a sequence of frames in continuous drive mode, then each will have the same exposure as the first frame. Save my name, email, and website in this browser for the next time I comment. Back button focus aims to tackle a few shortfalls of traditional focusing methods, like the time it takes to switch between continuous and single focus modes. Yes, I keep the AF On button pressed. Only you can decide if you need the exposure lock or not. 2 – Back button focus with a difference, you press the AE-Lock button to stop focus. This gives the reason for the name “back button focus”. However the shutter button now locks the exposure when half pressed. Mit dem Back Button Focus ist der Auslöser nicht länger mit zwei Funktionen (Fokussieren + … Hello all, I’ve done plenty of research on the Canon 80D and I’ve decided it... by Claire T37 24 months ago Selling my 80D 1 reply. You take photos when needed by pressing the shutter. Though it is not only for those kinds of photographers. Required fields are marked *. There are two ways to initiate (and lock) focus on your Canon DSLR – using the shutter button, and / or – using the AF-ON button on the back of the camera, near your thumb.. In bird photography, pressing the button with the right thumb to focus is the better choice. If you set your camera to continuous focusing mode, you could also use Servo just like One-Shot by the way you press the back focus button. My 80D has back button focus and it can be focused with the shutter button and a remote shutter release. If you use the shutter button to set focus, you have to press halfway to set focus for each shot. But the AF doesn't seem to be working in photo mode via Live View shooting. I do switch them round on my camera. Please contact me if you would like my help. I keep both buttons configured the same in case I press the wrong one whilst shooting. Pressing the AF area selection mode button each time switches the mode and loops back after reaching the last mode. EOS 800D/rebel T7i and EOS 200D/Rebel SL2 both have a new style of menus, and it seems that some people are not readily finding the desired settings for back button focus. This method is commonly called “back-button AF”. By the way, the AE Lock selects and locks in the camera’s exposure settings. If you set it to 0 (the default) or 2, then half pressure on the shutter button determines when the camera will focus. If you are confused about Canon EOS focus modes, please read “Choosing the right focus mode for your subject“. EOS 200D is a small little thing, and whilst back button focus is possible to set, the AE-lock button is not ideally placed for most peoples fingers. Choose Assign AE Lock button or Select AF L button and scroll down to AF-On. Back button focus. With the Covid-19 situation I'm working from home. https://www.dummies.com/.../cameras/canon-camera/using-af-button-eos-80d Point 1: Use Single-point AF if you are very sure about where you want to establish focus For tracking moving subjects, you press and hold down the back button, and the camera tracks your subject with AI SERVO. I've not been able to set it up correctly. By setting up your camera for back button focussing you are removing the autofocus function from the shutter release button and assigning it to the AF-ON button on the rear of your camera. But if you keep pressing the AF-ON button, you can take as many shots as you want, and the camera will use the same focusing distance. I ... Hi All, just getting to grips with my 80d and have setup back button focus. EOS 800D and EOS 200D can be configured for back button focus. If you’re using Evaluative exposure metering, exposure is also locked with your press of the AF-ON button; in other metering modes, exposure is set at the time you fully depress the shutter button, just as when you use the shutter button to set focus. Most of us are not aware of the back button focusing feature on our cameras and how it can be a game changer in any photographer’s life. The main advantage of this is that it allows you to acquire, lock and maintain focus for multiple shots with your thumb while leaving your index finger free to release the shutter. If you set C.Fn 8 to 1 or 3, then the AE-lock button with the * icon must be pressed to initiate focus. Back button focus is often used by advanced photographers as it provides a means to have separate control of the autofocus and shutter release. Please note, that as an Amazon Associate I earn from qualifying purchases. So if you shoot a sequence of images using continuous drive mode, then each one may have different exposure settings. I write books and articles for photo magazines and I always have at least one Speedlite flash in my camera bag, Your email address will not be published. If you use the shutter button to set focus, you have to press halfway to set focus for each shot. Back button focus isn’t tough to learn, but it does require adjusting a few things in the camera … Whether you choose option 1, or 3, you have back button focus. Using back-button focus (BBF) on your Canon camera. If you have a still subject you can simply tap the back focusing button and let go, and focus will stop adjusting when you let go of the button even you are in the continuous focusing mode. My ... by Mike Skidmore's Art 27 months ago More... Search this group's discussions. Genau für solche Anwendungsfälle haben sich die Kamerahersteller etwas einfallen lassen (Canon übrigens schon in analogen Zeiten). 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