defektive Posted October 18, 2011 Share #1 Posted October 18, 2011 Advertisement (gone after registration) Hi, I am relatively new to post processing and have an issue that pops up from time to time. As you can see in the picture I have attached the sky has a blotchy look to it. This happened when I changed the hue of the sky to give it a purplish look. I shot this at ISO 640 on an M8, is it just noise or something else at work that I can somehow counter? I use PSE 9. Any tips would be much appreciated and please don't judge me on this image as I overdid the PP to show what the issue is! Link to post Share on other sites More sharing options...
Advertisement Posted October 18, 2011 Posted October 18, 2011 Hi defektive, Take a look here Help needed for hue adjustment issues. I'm sure you'll find what you were looking for!
Dougg Posted October 18, 2011 Share #2 Posted October 18, 2011 Sam, that looks to me like JPEG compression artifacts... Are you working on a JPEG file? If so, advise processing from RAW to achieve your desired effects, or a 16-bit TIFF. I like the pic Link to post Share on other sites More sharing options...
defektive Posted October 18, 2011 Author Share #3 Posted October 18, 2011 Sam, that looks to me like JPEG compression artifacts... Are you working on a JPEG file? If so, advise processing from RAW to achieve your desired effects, or a 16-bit TIFF. I like the pic Thanks Dougg. I feel like an idiot - I usually only shoot RAW so I didn't bother to check what file format the original shot was taken in. It was taken in JPEG so thank you for clearing that up. Link to post Share on other sites More sharing options...
Dougg Posted October 18, 2011 Share #4 Posted October 18, 2011 Well, if your original is a JPEG file, then all you can do is minimize the number of Saves in the editing sequence. Work on the original file or a copy of it, do all editing and only Save once at the end... That should pretty much avoid such visible artifacts. Link to post Share on other sites More sharing options...
jaapv Posted October 19, 2011 Share #5 Posted October 19, 2011 And don't forget to set your DNG conversions to 16 bits, otherwise you'll run into similar problems. Link to post Share on other sites More sharing options...
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