On Sat, Dec 18, 2010 at 12:59 PM, steve harley <[email protected]> wrote: > On 2010-12-18 07:37 , Kenton Brede wrote: >> >> I took the following photo in low light conditions with a macro lens >> on f/16, shutter speed of 30 sec. and ISO at 200. I used a lamp to >> create the shadow. Anyway I liked the photo for the most part. The >> histogram shows stacking on the dark side. The part I don't like is >> the shadow. In the original there's some yellow mixed in, and after >> any kind of processing to darken the shadow, I get pixelation. Is >> this a sign of what's called clipping? How can I avoid this showing >> up when taking pictures like this in the future? > > it looks like JPEG artifacts to me, it's not clipping -- it's more that the > darkest areas don't transition smoothly, but have instead clumped into > rectangular zones of the same shade > > did you shoot RAW or JPEG? did you save as JPEG multiple times while > editing?
I'm working from RAW. I only save once, after tweaking the RAW. -- Kent Brede http://aphotoaday.sandhillsnaps.org/ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
