I use an unconverted *
istDL2 for my infra-red photography … shutter speeds may a little on the slow side, admittedly, but I'm perfectly satisfied with the results.
My other 6Mpixel Pentax DSLRs give similar results, but the
*istDL2 is the only one I own with Digital Preview … sort of a poor man's LiveView, but adequate for the purpose
The *
istDL2 will function quite adequately not just with the "usual" R72/Ilford SFX/Wratten 89B filter, but also with the much "darker" Lee 87 (Wratten 87) for an even more dramatic effect!
My only 10Mpixel CCD camera is my
K200D, which is even less sensitive to i/r than my CMOS cameras!