I created them by following the steps in this tutorial: http://magiclantern.wikia.com/wiki/Cropmarks
It does work on my 550d.
I couldn't do the last step:
It does work on my 550d.
I couldn't do the last step:
QuoteTo have a usable RLE compressed .bmp (required only for 60D and 1100D, but good for saving memory on all camera) we need to use the Sztupy's tool (convertrle.rb ). NOTE: the compress RLE function in photoshop don't make an usable cropmark (it will hang your camera)