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I've posted a picture in the gallery here's the pic .
It has radiating lines in the sky and I've noticed the same effect in other people's pictures on EPZ.
Can anyone tell me what's causing this and how do I stop it happening, please?
Picture details 1/10 sec@ f22 ISO 200, lens 18mm, 0.6 Lee ND soft.
Mirror up, tripod, remote release.
Thanks
Merl
Fine on my work screen Merl - I'll double-check on my home screen this evening.
Not sure it is the compression for epz. Working on pics in CS2 I'd found the same effect when I used 'highlight/shadow', in particular on cropped pictures, it really emphasised it.
Be very interested in finding the real cause and a cure. Always worse too when you tip the screen a fraction ...
Quote: I think what you are seeing is a product of the compression used to get it to EPZ size. I'm guessing you don't see this in the original?
Can't be that as it shows up in the RAW files too.
I use Photoshop Elements 6 so I have a very limited Raw palette and all I really use in that is exposure tweak and maybe a little saturation.
In PSE6 I use just Levels and brightness/contrast so I'm not tweaking things much at all.
I've never worked out how the highlights/shadows layer improves anything for me, so I don't use that.
Merl, fine on my monitor, the sky is clear with no lines at all. Is it posible that it's your monitor that is at fault not the image. As I say fine on my monitor so can't help otherwise. Phil
Top right banding. well thats what it looks like.
It could be slight colour banding or equally you are resolving very subtle bands of cloud in the sky. It looks like the latter to me.
john
I downloaded the large image and had to zoom to 200% before I noticed anything. I guess on a high res version it will be more obvious.
Did you take more than 1 picture, if so are the others the same. Do you shoot jpg at the same time, same question. Have you seen this before on any picture not taken with a long exposure or not using the ND filter.
Thankyou - I have several shots and I'll upload them as variations later tonight.
As I said I have noticed that other people here on EPZ get the same effect, no one seems to comment on it but I'd hate to have it printed up for show like that.
Merl
I've uploaded two more shots as variations.
On reflection it might be the monitor as this has only become apparent since I had everything re-installed after the HD was wiped.
I have a second monitor/computer I'll try the images on that and see how it looks there.
Merl
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