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Problems with a New D7000 Sensor?

Donald Reaka

US
4 posts

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Donald Reaka Registered since 23rd Sep 2012
Mon 29-Oct-12 05:28 PM | edited Mon 29-Oct-12 08:55 PM by dm1dave

I have posted a pix in my gallery so everyone can see the problem pink pixilation also blue skies have gradiation I do not know how else to describe it
have this problem with several of my images no post processing straight out of the camera

greenwing

Yorkshire, UK
1304 posts

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#1. "RE: Problems with a New D700 Sensor?" | In response to Reply # 0

greenwing Registered since 18th May 2006
Mon 29-Oct-12 06:54 PM | edited Mon 29-Oct-12 08:10 PM by greenwing

>I have posted a pix in my gallery so everyone can see the
>problem pink pixilation also blue skies have gradiation I do
>not know how else to describe it
> have this problem with several of my images no post
>processing straight out of the camera

Hi & welcome Donald. I took a look at the image in your gallery, and I think the problems you're describing are just down to over-compressing the image. It's 1440x960, that's about 1.4 million pixels, but only 103kbytes in size. It's had the detail compressed out of it. To be honest, I think the quality is good considering how small the file is.

Hope this helps
Chris

Donald Reaka

US
4 posts

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#2. "RE: Problems with a New D700 Sensor?" | In response to Reply # 1

Donald Reaka Registered since 23rd Sep 2012
Mon 29-Oct-12 07:44 PM

Thats the way it came out of the camera jpg normal setting no post processing

dm1dave

Lowden, US
13618 posts

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#3. "RE: Problems with a New D7000 Sensor?" | In response to Reply # 0

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Mon 29-Oct-12 08:02 PM

Hi Donald, welcome to Nikonians!

Have you tried taking comparable shots in NEF format?

JEPG is a format that is always compressed and data is always lost due to the compression. What you describe sounds a lot like JEPG artifacts.

Here is a link to the image in Donald’s gallery….
https://images.nikonians.org/galleries/showphoto.php/photo/398911

PS: I edited the title of the first post to read D7000 rather than D700.

Dave Summers
Nikonians Photo Contest Director
My Nikonians Gallery | Current Nikonians Contests

Click on image to view larger version

four eighty sparky

US
1653 posts

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#4. "RE: Problems with a New D700 Sensor?" | In response to Reply # 2

four eighty sparky Registered since 08th Apr 2011
Mon 29-Oct-12 08:20 PM | edited Mon 29-Oct-12 08:22 PM by four eighty sparky

>Thats the way it came out of the camera jpg normal setting no
>post processing
>


You've reduced the image size somewhere. The smallest the D7000 can record an image is 2464 x 1632 pixels, 3x larger than what you posted.

Look under SHOOTING MENU and make sure Image Quality is set to 'fine' and Image size is set to "Large".

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Rassie

Milton, CA
4016 posts

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#5. "RE: Problems with a New D7000 Sensor?" | In response to Reply # 3

Rassie Gold Member Nikonian since 08th Jan 2006
Tue 30-Oct-12 10:52 AM | edited Tue 30-Oct-12 10:55 AM by Rassie

Looking at the picture in question, I agree that it's been compressed to the point that it's seriously degraded. I have to believe this didn't happen in the camera, but rather outside during preparation for posting.

Regards

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elec164

US
2575 posts

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#6. "RE: Problems with a New D7000 Sensor?" | In response to Reply # 0

elec164 Silver Member Nikonian since 15th Jan 2009
Tue 30-Oct-12 11:53 AM

I agree with those who feel this is not just a resized JPEG straight out of the camera. Not that I wish to doubt you, but the information contained in the EXIF data suggests this image was processed in an external editor.

For example it appears that the ProPhotoRGB color space was applied somewhere along the way. That alone would be problematic for an 8-bit highly compressed file. That without question would cause posterization with fine gradient areas. Also ProPhotoRGB is not an in camera choice.

But there are other troubling things that would cause issues. You seem to have a -3 2/3rds EC dialed in. It also suggests you used flash, but I don't know if it was the built-in or external flash. But never the less, with the exposure settings you have unless the ambient light was sufficient, I don't believe there would be enough flash power outputed to properly expose the full scene. That suggests that you might have needed to boost the levels in PP which would seem to increase the visible noise.

I'll take you for your word that you did no external editing, but the information in the EXIF data seems to contradict you.

Pete

Pete

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Donald Reaka

US
4 posts

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#7. "RE: Problems with a New D7000 Sensor?" | In response to Reply # 0

Donald Reaka Registered since 23rd Sep 2012
Wed 31-Oct-12 04:46 PM | edited Wed 31-Oct-12 04:48 PM by Donald Reaka

I owe everyone an apology, still unclear about editing in Adobe rgb or srbg, also about resizing, the first photo was post processed and resized, and put back in the same folder agin sorry about the confusion. I'll keep trying, comments on the second post are welcome. I have reposted in my gallery new at posting also so forgive my ignorance.

G