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Mansurovs Photography Compares the D700/D800 Specs

Bob Chadwick

Norcross, US
2335 posts

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Bob Chadwick Silver Member Nikonian since 12th Jan 2006
Tue 07-Feb-12 12:40 PM

Here is a link to his blog entry.

He claims that when a picture is downsized that the D800 will have better high ISO performance than the D700 at the same resolution. Does this make sense?

From his blog post.

Now here comes the big question – does a high resolution sensor mean bad low-light capabilities? If you look at a picture at 100%, then yes, a high resolution sensor always translates to more noise at higher ISOs. However, when the image is down-sampled to smaller resolution, those differences are significantly reduced. For example, when you look at a 12 MP image at ISO 3200 at 100% and then look at a 36 MP image at the same ISO at 100%, you will surely see more noise on the latter image. However, if you down-sample the 36 MP image to 12 MP, then the 36 MP image is actually going to come out cleaner than the 12 MP image. In addition, if you had a slight focus issue on both, the 36 MP image would look sharper when down-sampled to 12 MP. What I am trying to say here, is that you should not be scared of a high resolution D800, thinking that it will be in any way inferior to your beloved D700. I will provide an in-depth analysis between the D700 and the upcoming D800 when I have it on my hands, but I can say with confidence now that the D800 will give better results than the D700 when its image is down-sampled to 12 MP. Overall, we should be getting around a full stop of advantage noise-wise with the D800 compared to the D700. Think of it this way – you will be able to get superb 36 MP images in daylight and you have the option to down-sample images to lower resolution in low-light.

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JonK

New York, US
6408 posts

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#1. "RE: Mansurovs Photography Compares the D700/D800 Specs" | In response to Reply # 0

JonK Moderator Awarded for his high level skills and in-depth knowledge in various areas, such as Wildlife, Landscape and Stage Photography Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 03rd Jul 2004
Wed 08-Feb-12 02:31 PM

Thom Hogan discusses this point.

Jon Kandel
A New York City Nikonian and Team Member
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walkerr

Colorado Springs, US
16960 posts

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#2. "RE: Mansurovs Photography Compares the D700/D800 Specs" | In response to Reply # 0

walkerr Administrator Awarded for his con tributed articles published at the Resources Awarded for his in-depth knowledge in multiple areas Master Ribbon awarded as a member who has gone beyond technical knowledge to show mastery of the art and science of photography   Donor Ribbon awarded for his most generous support to the Fundraising Campaign 2015 Nikonian since 05th May 2002
Wed 08-Feb-12 03:09 PM

Yes. It's similar to what happens to film grain when you downsize an image. I'm sure there will eventually posts regarding optimal methods for doing this (bicubic vs. bicubic sharper, etc.). I had hoped to see this as an in-camera option, but no big deal.

Rick Walker

My photos:

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Bob Chadwick

Norcross, US
2335 posts

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#3. "RE: Mansurovs Photography Compares the D700/D800 Specs" | In response to Reply # 2

Bob Chadwick Silver Member Nikonian since 12th Jan 2006
Wed 08-Feb-12 03:25 PM

Thanks guys.

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G