Post-Processing Images - Canon EOS Rebel T4i 18-135mm IS STM Lens Kit Instruction Manual

After shooting, you can apply Creative filters or resize
the images (downsize the pixel count).
The camera may not be able to process images taken with
another camera.
Post-processing images as described in this chapter cannot be
performed while the camera is connected to a personal
computer via the <C> terminal.
Post-Processing
Images
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