Solution You can display the electronic level on the LCD monitor and in the viewfinder to help you correct camera tilt. Displaying the Electronic Level on the LCD Monitor
After detaching the lens from the camera, put down the lens with the rear end up and attach the rear lens cap to avoid scratching the lens surface and electrical contacts.
You can use the Digital Photo Professional Ver.4.x tool palette to erase dust and other marks in a shot image and to correct an image by copying part of the image and pasting it onto an unnecessary part of the image. Note that you can use the functions in this tool palette with JPEG and TIFF images as well as RAW images.
Tips for taking sharp and crisp images - A deeper depth of field can help avoid out of focus images. The depth of field is the range of the image that is in focus in front of and behind the point of focus.
1. Change the USB port that is connected with the camera If multiple USB ports are available on the computer, switching the cable to another port may help the camera to be recognized correctly. 2. Use [Device Manager]
A press of the rear AE Lock button ( marked with an asterisk icon — Canon’s symbol for AE Lock operation) in P, Tv, or Av mode will lock in place the exposure settings for whatever lighting the camera is reading at that moment. The idea, of course, is to allow the shooter to now recompose a shot, without exposure changing if the camera reads different brightness values in a scene.
