I fear if pentax release FF then most of the DA lens would be incompatible. I dont know how good the ones compatible would perform.
Don't worry so much.
1. DA Lenses should still be usable on a FF camera. Its just cropped.
2. DA lenses are still good lenses regardless
3. Quite a few of the DA lenses cover the 36x24mm image circle (eg. DA40; 35; 50)
4. Those that don't cover full FF image circle, still cover a bit over APS-C, so imagine using the DA70 at about 1.3 or 1.2 crop to yank out that bit more DOF control. (provided the camera has an option not to auto-crop ); The extreme may not be that good, but for many shots, they are not that important.
My interest is perked by Benjamin Karnek's comments that he 'smells' a Pentax APS-C with proprietary sensor algo that will out resolve anything current.
If it really happens, then it will be a hard choice between APS-C and FF for me.
(my fear is that I end up with both )
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