K-amps said:
Time to try Dual ISO on the 5d3, any pointers to one page that gives me all the info needed, it's a task to go over 100's of pages in the ML forums....
It's really easy, that's how I do it (obviously install ML for this):
1a. set Canon iso to 100, set ML's dual_iso to 800 or max. 1600 (it will show you how much dynamic range you gain, max is ~15ev).
1b. If you shoot Av/Tv, *underexpose* with ec to catch as many highlights as you want. Default is the amount if dual_iso, i.e. for 100/800 underexpose 2 stops. After the shot, look at the raw histogram to see if it's filled, clipped (increase dual_iso) or has space left (decrease dual_iso).
... the other way 'round is to set ML's dual_iso to 100 and Canon's iso to 800/1600 (or let it float), in this case you don't need to use ec. It's probably more intuitive this way as you simply get more shadow detail, but it's a bit more black box than an explicit underexposure.
3. After downloading the DUALxyz.cr2 files run ML's cr2hdr.exe on each of them, you'll get a 16bit raw dng. White balance will be broken even though cr2hdr tries to comput it, best option is to use ACR's "auto" wb.
Eldar said:
I really believed this would be a game changer. Instead it seems we are getting a 50MP FF 7DII.
I dunno, what did you expect? Obviously smaller pixels have some kind of tradeoff, but the 7d2 has very nice iq on low iso (actually, even the 18mp sensor was ok <iso400). I'd love to have a 5ds for some shots, but alas, not at $4k.
Of course the biggest downside is the lack of Magic Lantern, i.e. you're really stuck with Canon's dynamic range and have no way to extend it other than bracketing.
