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. With the Covid-19 situation I'm working from home. 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. If you are a back button focus user, there is limited, or no need to change between ONE-SHOT and AI SERVO AF. I tried tapping on the screen, but it doesn't seem to be focusing. Genau für solche Anwendungsfälle haben sich die Kamerahersteller etwas einfallen lassen (Canon übrigens schon in analogen Zeiten). Even my short thumb finds this hard to do. Though it is not only for those kinds of photographers. By the way, the AE Lock selects and locks in the camera’s exposure settings. 2 – Back button focus with a difference, you press the AE-Lock button to stop focus. You take photos when needed by pressing the shutter. The first step is to set up regular the back button AF. Back button 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. By default Canon EOS cameras use “front button focus”; the shutter release button activates the autofocus and exposure metering. 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. 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articles for photo magazines and I always have at least one Speedlite flash in my camera bag, Your email address will not be published. It’s C.Fn 12 for the EOS 800D, and C.Fn 8 for the EOS 200D. You also have the option of using the AF-ON button to set focus only and the shutter button to set exposure only, or vice versa. This is a lesson from my Canon 70D Crash Course Training Video on how to focus It will also work for the Canon 80D. 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. Traveling over the top of the Canon EOS Rebel T7i/800D camera to its back, you encounter the smorgasbord of controls shown in the following figure. Please note, that as an Amazon Associate I earn from qualifying purchases. Yes, I keep the AF On button pressed. Custom function 12 has four possible settings. My ... by Mike Skidmore's Art 27 months ago More... Search this group's discussions. Using back-button focus (BBF) on your Canon camera. For the EOS 800D pictured above the AE-lock button with the * icon is the button you press for focus. [923]. Pressing the AF area selection mode button each time switches the mode and loops back after reaching the last mode. This gives the reason for the name “back button focus”. 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. I’ve received a couple of questions about how to setup back button AF on these cameras so here it is…. 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. Wie du mit Back Button Focus entspannter und flexibler fokussierst. 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. Similar to previous generations of entry level EOS cameras, the setting is in the custom functions C.Fn. Focus will be temporarily halted so long as I keep the button depressed. Please contact me if you would like my help. 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. Then you would aim the camera towards the flowers and press the * button to focus. Choosing the right focus mode for your subject, Firmware updates for EOS R, EOS Ra and EOS RP plus RF lenses and more, Get in my bag now please RF85mm F2 Macro IS STM …, A better standard lens, EF 40mm f/2.8 STM, How to send only JPEGs to your laptop when shooting tethered, The difference between E-TTL & TTL for Canon flash, EOS lenses and accessory firmware updates. 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. However the shutter button now locks the exposure when half pressed. Using the always handy “Back-Button AF” for bird photography. 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