Recently I have been getting very grainy skies in my pictures and cant seem to get rid of the grain using blur on CS4. Furthermore this only happens with skies, blue or orange. Anyone have any ideas as to why?
legalhack wrote:
Recently I have been getting very grainy skies in my pictures and cant seem to get rid of the grain using blur on CS4.
Strange. Digital skies that seem to exhibit grain-like artifacts suggest image noise. Hard to believe blur won't remove grain-like artifacts. Might help to know the details and see an example.
BTW, Noise Ninja is one of the software tools available to reduce image noise.
Noise Ninja is one of several widely used, widely respected programs, generally available as plug-ins or stand alones, used to reduce noise. They work well. Others include Nik Dfine, Neat Image. All have free demos to check out.
I too would like to see the EXIF. Its not hard to get rid of most of the noise as AuntiPode has demonstrated. I ran the city image thru Dfine with similar results. I can post if you'd like. Some noise will not show up as readily on prints, partly dependent on your choice of paper.
The city skyline looks more like pollution than a camera issue.
In the other shots, at least with such small images, it could be as trivial as the JPG compression being set too low. Do you shoot JPG? Are you seeing the problems in the full res images?
Other culprit, as noted, could simply be insufficient exposure followed by overmanipulation in post.
There is some noise there too, but if you compare the close tree line at the bottom of the image to anything in the distance, including the mottled buidings, I think that you'll see that even though it is darker, it has less noise. That is not how simple underexposure and bad post usually manifests itself.
The buildings are pretty mottled like the sky to me. I'd be interested to see the EXIF data. OP has not responded for a while.
