Samsung Focus Phone Manualhttps://wwwungOfficial siteOpen manual Using Manual Focus with Live View for Canon DSLR Cameras To switch a Canon camera from viewfinder mode to Live View mode, I’ll press the small button on the rear of the camera that sits above the LCD screen. My T7i has a picture of a camera on it. After that, I should see my scene. I’ll change my lens setting from auto focus to manual focus and then zoom in on what I’d like to take a photo of. Basics of Viewfinder Focusing on the Canon Rebel T5/1200D When you use the viewfinder on the Canon Rebel T5/1200D to compose your image you will have a choice to use autofocus or manual focus as explained below. To autofocus: Frame your subject so that it appears under one of the nine focus points, one of which is labeled in the figure below. Then press  Manual Focusing (EOS 7D Mark II) - thn Manual Focus during Viewfinder Shooting If you are shooting subjects that are difficult to autofocus, or if you want to achieve precise focus on the magnified Live View image, you can use the MF (manual focus) mode to focus manually.