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08-13-2012, 08:38 PM   #1
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Problem: Colored Lines in Photos

[IMG]<a href="http://s848.photobucket.com/albums/ab48/tdonsker/?action=view&amp;current=Screenshot2012-08-13at83351PM.png" target="_blank"><img src="http://i848.photobucket.com/albums/ab48/tdonsker/Screenshot2012-08-13at83351PM.png" border="0" alt="Photobucket"></a>[/IMG]

OK all you Sherlock Holmes's out there! Help me figure out why my preview screen on my camera AND on my computer show the image like so, while the image itself when opened in photoshop appears clear as day.

It is a major problem when doing things like headshots and trying to make sure the images are crisp (zooming in to check photos).

THANKS in advance!

PENTAX K10 D BTW.

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08-13-2012, 08:55 PM   #2
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Possibly a bad memory card. I've seen other threads on PF with similar issues. The lines are usually horizontal on landscape-mode photo therefore your portrait-mode sample has vertical lines. RAW images include the full RAW data (either PEF or DNG) and a smaller preview image for speed. If the preview image is corrupted you'll see the error in some software while the full RAW data might be okay.

There are other possibilities beyond the memory card, but assuming you own multiple set aside the suspect card for now and use a different card. If the problem completely stops then get rid of that suspect card. Or you can reformat the suspect card and hope for the best.
04-04-2013, 11:27 AM   #3
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Thank you for the response, sadly I hadn't used my camera since the issue was reported (I was forced to use my gf's rebel :/) I tried multiple cards of differing brands, all reformatted and it didn't solve the problem.
An extra detail- when recorded raw, the preview is tweaked, but the file itself is ok. When recording JPEG, both are bad.

Any other ideas?

Greatly appreciated...
04-04-2013, 11:58 AM   #4
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QuoteOriginally posted by tay_diggs Quote
Thank you for the response, sadly I hadn't used my camera since the issue was reported (I was forced to use my gf's rebel :/) I tried multiple cards of differing brands, all reformatted and it didn't solve the problem.
An extra detail- when recorded raw, the preview is tweaked, but the file itself is ok. When recording JPEG, both are bad.

Any other ideas?

Greatly appreciated...
As hinted at by DeadJohn, does this behavior occur with every image type and/or resolution you have available? And for what it's worth, I would probably try flashing the firmware on the camera, I think:

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04-04-2013, 06:45 PM   #5
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Do an in-camera format of your memory card before you throw the card away or risk reflashing the firmware. This is a menu selection.


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04-05-2013, 10:01 AM   #6
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I formatted the cards on the computer and then also in the camera, to no avail. I then upgraded the firmware to 1.31 also to no avail. So frustrating... I'm getting ready to just buy a k-01
04-05-2013, 10:03 AM   #7
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I also tried 2gb, 4gb, and 16gb cards. Some high speed, others regular.
04-05-2013, 11:01 AM   #8
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Well, if it's happened with multiple cards and shows on your camera preview screen, that rules our card and PC issues. That leaves the camera as the culprit.

Use the menu item for resetting the camera to default settings. Test again. If the problem continues try updating to the latest firmware.

04-05-2013, 11:10 AM   #9
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This may sound counterintuitive, but have you tried cleaning the contacts on the camera where the card goes in? There's a (very small) chance you have something down inside the guts there causing a poor connection between card and camera. Its a longshot, but I'd look for physical issues before software if the camera was working fine before and sudden;y decided it'd just go PFFFt one day.

Have you tried a different battery/batteries as well? It could be something as simple as using a new power source (again, a physical issue over a software one).
04-05-2013, 11:32 AM   #10
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QuoteOriginally posted by tay_diggs Quote
t why my preview screen on my camera AND on my computer show the image like so, while the image itself when opened in photoshop appears clear as day.
I think this should be focused on. If I understand right, this means that only the preview thumbnails are broken and the actual raw info is okay. While this isn't optimal, its not a huge problem, either, since you can use the raw info and make clean jpegs anyway. This would only worry me in that it may be an indication of failing hardware somewhere in the camera.
And I would recommend a K-01 anyway, it will be a nice boost in overall IQ for most uses. Or you can wait a little to see what camera Pentax will announce next. Hope your camera keeps working, though.

Oh, and yes, make sure you don't have any filters enabled, charge the battery and keep it outside of the camera for a day, clean the mount contacts, and the card's contacts.. these things might not fix it, but they are usually a good start on fixing intermittent problems.
04-06-2013, 10:05 AM   #11
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Thanks for all the suggestions, I don't really know how I'd get in there to clean the sd contacts inside the camer (slot is thin and I don't want anything breaking inside or getting stuck in there. It isn't too much of a problem since I can still shoot raw (though extremely frustrating). I can't even see anything anymore in the preview screen, it's a bit like shooting film. With the k-01 under $300 I think its a pretty damn good steal. Though someone locally is selling a k-7 for $450. Hmm.

I'm also intrigued by the Q, which I found locally for $200. What would you all do?

BTW the killer deal I thought I got by buying a refurb'd k10 seemingly didn't pay off in the long run.
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