Don't wait for a Pentax FF and don't wait for a Canon pancake anymore, I just opted to Do It Myself and Immediately! :-D
Here is what I've done. Read thoroughly if you want to follow! And do anything at *your own* risk just in case!
Well, first of all, you need to have a FF pancake, like this, actually the thinnest and lightest one in the world and ever!
And of course you need a
