Robert,
what setting are you using for your DDP?
The reason I ask is if i remember correctly you use something like this.
Using user option with the settings of
111
121
111
click on the auto to get a starting value, and then adjust the two setting obtained so that the curve is more central.
Every time i try using this I get bulls eyes in the larger stars,
any ideas.
Cheers Mac.
Hi Mac,
I use this:
000
010
000
I also start off (with histogram visible) with auto + auto (which always clips the low end) then change to manual (all unchecked) and subtract enough to ensure there's a clear gap at the bottom and add a bit at the top (not so important). If you don't leave a big enough gap at the bottom then there isn't enough bottom end room for sharpening and it clips later in processing. I generally leave a gap of 150 for a cooled camera and 25-50 for a dslr but you get to know with practice what fits your kit.
Hope that helps
Robert