Why does my Canon camera not focus?
If the secondary mirror is damaged or if anything is blocking the tiny holes that let light into the focus sensors then the camera would not be able to focus. When you switch to live-view, the reflex mirror swings up and the shutter opens. Since the mirror is now folded out of the way, it cannot bounce light down into the normal focus sensors.
Why is my autofocus not working Canon?
the camera and the lens mutually exchange information. For this reason, if the lens is not securely mounted, there may be cases where the autofocus does not operate correctly. Please mount the lens securely, as shown in the image below. How to Check the [C.Fn2: Custom Controls] Custom Function Setting.
Why is my camera not focusing?
Why does a Smartphone camera lose focusWater damage: you went swimming with your phone while it was not correctly closed. Or even worse,it is not waterproof. ...Physical damage: your phone fell out of your pocket while you were cleaning the house. It happens to a lot of us. ...Software problems: a lot can happen with all different kinds of apps. ...
How to troubleshoot the major issues in Canon camera?
The card is not properly insertedIf the card is full,replace the card or delete unnecessary images to make roomIf you try to focus in One-Shot AF mode while the focus confirmation light in the viewfinder blinks,a picture cannot be taken. ...Slide the card's write-protect switch to the Write/Erase setting