If you want to refocus the len⦠These can be set to flash red when pressing the shutter button halfway, either always or in low-light. I'm sending out the camera shot via HDMI Mini- HDMI. But sometimes it's better to turn off your autofocus control and do it the old fashioned way. According to it, we should first turn off the camera before turning auto-focus on/off. Julie Adair King has been writing about digital cameras and photography for more than a decade. Disabling Continuous Autofocusing in Live View and Movie Modes on…, Exposure Mode Quick Guide for Your Canon EOS 70D. Can the continuous autofocus (on video) be turned off on my Nikon D3100 so that it operates similar to the Canon 500D? One note: An external Canon Speedlite has its own provision to disable the AF-assist beam. All that activity by the autofocusing motor is a big drain on the camera battery. Autofocus is like magic, and it's often done well even by simple, inexpensive cameras. The external flash must be a compatible EX-series Speedlite unit. I had two problems the AF popping into the video and the 29 minute 59 second timer turning the camera off in the middle of the service. The selected AF operation mode setting appears at the bottom of the screen. Select âAF Microadjustmentâ. I found two ways to turn off the autofocus. Now when you press the âQâ or âINFOâ button, the name of the lens and a 10 digit serial number will be displayed. 3.7. Once focus is achieved, if the button is kept held down the lens will not adjust the focus even if the subject or the camera moves. If focus isnât successful, the focus frame turns red. 8. I learned about back button focus very early in the photography career and I could never go back to shooting without it. If you make this change when continuous autofocusing is in progress, you may damage the camera or the lens. Jul 12, 2003 Re: how do i turn off auto focus assist beam . Dec 29, 2013 Hi, I'm getting familiar with the 5d ii while waiting for it to arrive in the mail. Since the goal of this article is to provide recommended settings and not particularly focus on what each camera feature does, I am not going to spend a lot of time explaining why I chose a particular setting. With portraits . I read a book "Canon EOS Rebel T5i/700D For Dummies", which warns against switching auto-focus on/off while the camera is on. Press the