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What is causing this?

PostPosted: Sun Jul 31, 2005 2:35 am
by LowKey
Hi all
I am not sure that this is the right forum to post this, so forgive me if I screwed up!

Sometimes pictures taken with my D70 exhibit a weird color shift/ change. It seems like it happens only when the color is really vivid - like the camera can't handle the saturated color. :shock:

Here are two examples - the one is of two traffic lights at a dirt track race, and the other is of a player in a rugby match - full sunlight. It has alos happened before with a bright yellow daisy, where the inside part of the flower had the same green blocks. Any Ideas??

These things are spoiling some of my few good shots! :evil:

http://www.pixspot.com/albums/userpics/Lights.jpg
http://www.pixspot.com/albums/userpics/normal_Kick.jpg

PostPosted: Sun Jul 31, 2005 2:53 am
by KerryPierce
I've never seen any photos come out of either of my d70s, looking like that. That looks like post processing that has been way overcooked from trying to rescue underexposed photos.

PostPosted: Sun Jul 31, 2005 2:55 am
by Nnnnsic
Looks like there's something happening in Photoshop CS there...

PostPosted: Sun Jul 31, 2005 3:02 am
by LowKey
No post processing whatsoever! These came straight out of the camera, I just cropped the pics and adjusted the image size for the forum.

They show up like this with every viewer - MS fax & picture viewer, Nikonview, Photoshop etc! I can only add that these were shot as Jpeg fine, and not as RAW pictures. I wish I could figure this out???

PostPosted: Sun Jul 31, 2005 3:09 am
by Nnnnsic
You've used Photoshop CS to reise them?

Can you perhaps upload one of the untouched-by-Photoshop originals to a server so we can see?

Might have something to do with internal camera settings... although I've honestly gotta say that I've never seen a setting that will over saturate to that extent... what are you shooting at?

PostPosted: Sun Jul 31, 2005 4:21 am
by LowKey
OK, here is another one - same day, same shoot.
This one has just been cropped, no resizing.

Exposure: Aperture priority
Metering: Multi-pattern
White Bal: Auto
Optimize Image: Vivid
Color Mode: sRGB
Tone Comp: Auto
Saturation: Normal
Hue Adjustment: 0

http://www.pixspot.com/albums/userpics/ ... blocks.jpg

The bad news is that I think you guys are right - Off to Nikon service it will have to go :cry:

What will I do in the meantime? The other bad news is that I bought the camera used, and I think it is out of warranty!

PostPosted: Sun Jul 31, 2005 4:41 am
by Nnnnsic
I've seen that sort of problem before, but not on a camera.

Try turning Vivid off, but other than that, it seems like a camera internal problem.

PostPosted: Sun Jul 31, 2005 4:51 am
by LowKey
Thanks, for the input. Any other ideas are more than welcome. For now I am going to reset the camera to factory default settings, format the CF card and take the camera battery out for 12 hrs.

This only happens when I take a lot of pictures - when the card is more than 50% full.

When I take ten or 20 pics, I don't recall it happening. Maybe its the card? Maybe there is a bad sector on the card which is causing the problem?

It's driving me nuts - because you don't know when it is going to happen, and as luck will have it, it's ruined most of my good shots from Friday....
Oh Well, Photography happens!

PostPosted: Sun Jul 31, 2005 9:30 am
by deapee
I said this on the other board, but thought I'd put it here too...

A guy on (YET ANOTHER BOARD ALLTOGETHER) heh was having the same problem...he rebooted his computer, and the images opened fine. Strange huh?

PostPosted: Sun Jul 31, 2005 11:09 am
by redline
looks like corrupted image files, it usually happens when i d/l movies from the net.
however i don't know what could be causing this though.