After dinner Don and I rushed to Prescott Lake just as the sun was going down. Not much good light left. Don found this shot. A slight glow from the west sky help give shape to the rocks.
Three exposure HDR, and a slight lowering of saturation.
One of the shots is a Topaz paint conversion. Can you tell which is which.
9 comments:
My guess is the topaz paint conversion is the second one? The reason I think that is because the first one looks slightly less saturated- but I dunno...Also in the sky, the newton's ring like interference patterns- how do we avoid those?
Supposedly the ring is caused by two pieces of glass being put together, i.e. lens+lens filter. Do you have a UV or skylight on your camera? I do and will never take it of (only to put on polarizing filter). Great protection for the lens right? That's the educated answer.
I have never seen the ring when I use the full size file. When I post, I shrink the file size way down to speed up the download and to not give free high quality photo's away. I am more than curious about this. May require a test or two.
Oh and by the way the top photo is the paint. Fooled me too today. I had to open in a new window and look at the address. Old age short memory......
So the rings could be a compression artifact? I don't always notice these until I post them on the blog and then there seems to be a difference in image quality. I just saw that Topaz has a DeJPEG filter- wonder if that would help? I want to figure this out too...
Of course it's the first one- because that was my original thought- then I thought too much and changed my guess! :-) I hate it when that happens!
huh...? Man you guys are way ahead of me...teach me!
Hey, learn something new - Newton's Rings.
Do you see these often on flat gradients like the sky? Are they more prominent in HDR?
First peek at this looks like it happens prior to compression. Does that prove out in your original? See a step down but with an added ripple at the step edge which would make me say it's not compression but maybe more of an interference pattern.
Fun stuff, keep it coming. I learn more from you everyday.
You are HDR superman!
OF
Sorry for the continued post but, you know what happens when you give a nerd a toy!
If you didn't do any cropping then the rings don't emanate from the center which makes it look like more of a processing vs interference rings. Is it exaggerated with HDR?
OF
Dan
I am not ahead of anybody. Especially you. You and your sister have way more brain pixels than I ever will.
I feel like the poster boy for stupid.
Seriously I think it is the compression. again, my full files do not have this problem. I did a search on the web. Sure a lot of opinions out there. It may be the conversion from .tiff, to .psd, then the large compression.
O.F. is the smartest man I know. Listen carefully........
OF
It does not seem to make any difference if it's HDR or not. I have only seen it in a non contrast area, i.e. the sky or a large area with gradual tonal change.
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