D800 = 2xD7000 - I was dead right...

Started Mar 29, 2012 | Discussions
Grig
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D800 = 2xD7000 - I was dead right...
Mar 29, 2012

About a week ago - I posted this thread with no responses...
http://forums.dpreview.com/forums/read.asp?forum=1021&message=41027725

Now I can tell to all that may be interested as I was - I was dead right... It looks pretty much the same...

Shot with 50mm at F2, 1/200, ISO3200. D800 is in crop mode.

You can guess what where, but to me - they look the same...

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Fearless_Photog
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Re: D800 = 2xD7000 - I was dead right...
In reply to Grig, Mar 29, 2012

On my monitor the one on the right is very clearly less noisy in some areas, but is also exposed differently.
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Marianne Oelund
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Nice job matching the focus
In reply to Grig, Mar 29, 2012

Grig wrote:

About a week ago - I posted this thread with no responses...
http://forums.dpreview.com/forums/read.asp?forum=1021&message=41027725

Now I can tell to all that may be interested as I was - I was dead right... It looks pretty much the same...

One of the most frustrating and difficult aspects of making comparison images like this, is achieving precisely the same focus in each image. Looks like you've done very well here.

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hoof
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Re: D800 = 2xD7000 - I was dead right...
In reply to Grig, Mar 29, 2012

Grig wrote:

About a week ago - I posted this thread with no responses...
http://forums.dpreview.com/forums/read.asp?forum=1021&message=41027725

Now I can tell to all that may be interested as I was - I was dead right... It looks pretty much the same...

Makes sense. Both sensors were made by sony. Take a D7000 sensor, multiply the area by 2.25x, and voila, D800 sensor.

So far, all the 1:1 images I've seen support the idea that the D800 is a tweaked D7000 sensor scaled up.

Now where you get the FX advantage is downsampling the two sensor's images to a common output resolution. There the D800 does better because you're binning more pixels per final pixel.

Glad to see all these new D800 owners finally enjoying what us D7000 owners have had for a while now

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Grig
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Re: D800 = 2xD7000 - I was dead right...
In reply to Fearless_Photog, Mar 29, 2012

Fearless_Photog wrote:

On my monitor the one on the right is very clearly less noisy in some areas, but is also exposed differently.

D7k is on the right... It wasn't scientific test though since I was shooting handheld, but exposure settings are absolutely the same...

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Grig
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Re: Nice job matching the focus
In reply to Marianne Oelund, Mar 29, 2012

Marianne Oelund wrote:

One of the most frustrating and difficult aspects of making comparison images like this, is achieving precisely the same focus in each image. Looks like you've done very well here.

Well, Thank you for kind words, but in my opinion - I still missed it a little...

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Grig
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Re: D800 = 2xD7000 - I was dead right...
In reply to hoof, Mar 29, 2012

hoof wrote:

So far, all the 1:1 images I've seen support the idea that the D800 is a tweaked D7000 sensor scaled up.

Yep... And it's not a bad sensor by all means... although I like D3s sensor better for low light...

Glad to see all these new D800 owners finally enjoying what us D7000 owners have had for a while now

I had D7k from that BestBuy super early deal in 2010 before it's official release date... So I had enough time to enjoy it, but D800 is a totally different animal... D800 as it is a one amazing high resolution camera with D7k inside for extra 16mp reach in crop mode...

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Fearless_Photog
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Re: D800 = 2xD7000 - I was dead right...
In reply to Grig, Mar 29, 2012

Grig wrote:

Fearless_Photog wrote:

On my monitor the one on the right is very clearly less noisy in some areas, but is also exposed differently.

D7k is on the right... It wasn't scientific test though since I was shooting handheld, but exposure settings are absolutely the same...

Yeah, I can see that the exposure settings are the same, the exposure isn't though. Just look at the shadow area on the top of the second set of photos, it's pretty apparent.
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Frank C.
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Re: D800 = 2xD7000 - I was dead right...
In reply to Grig, Mar 30, 2012

the d800 is obviously the d7000 sensor upsized to FX size

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Horshack
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That's why I sold my D7000 a while ago
In reply to Grig, Mar 30, 2012

That and the D7000's strong mirror vibration. I do miss the U1/U2 mode dial settings though

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Lance B
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Re: D800 = 2xD7000 - I was dead right...
In reply to Grig, Mar 30, 2012

Grig wrote:

About a week ago - I posted this thread with no responses...
http://forums.dpreview.com/forums/read.asp?forum=1021&message=41027725

Now I can tell to all that may be interested as I was - I was dead right... It looks pretty much the same...

I have been saying the same thing as well.

I have been eagerly awaiting the D800 simply because of the fact that cropped, the D800 would be the equal or better than the D7000 that I have. This means that I can sell off my D700 and D7000 and have two cameras in one.

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Zlik
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Re: That's why I sold my D7000 a while ago
In reply to Horshack, Mar 30, 2012

Is the mirror vibration better on the D800?

Horshack wrote:

That and the D7000's strong mirror vibration. I do miss the U1/U2 mode dial settings though

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Horshack
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Re: That's why I sold my D7000 a while ago
In reply to Zlik, Mar 30, 2012

Zlik wrote:

Is the mirror vibration better on the D800?

I haven't done a fully analogous test yet but initial results look promising: http://forums.dpreview.com/forums/read.asp?forum=1021&message=41036625

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larrywilson
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Re: D800 = 2xD7000 - I was dead right...
In reply to Lance B, Mar 30, 2012

Lance, this thread makes me feel a little better knowing that my d7000 has similiar resolution as the d800 when it is in dx mode. I have a d3s for my main camera and the d7000 for telephoto work in shooting birds mainly whenever the light is decent to where I can stay at 1600 or less iso.

Larry

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PatrickP
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Re: D800 = 2xD7000 - I was dead right...
In reply to hoof, Mar 30, 2012

You folks are right. But that's disappointing. I was expecting [or may you say dreaming] the per pixel sharpness/noise similar to D700 in the same ISO. Guess such an improvement is not doable within 1.5 years.

Low light in-door shots that were achievable with a f/2.8 zoom on the D700 now seem to require the f/1.8G or f/1.4G primes for a similar per pixel noise level.

hoof wrote:

Makes sense. Both sensors were made by sony. Take a D7000 sensor, multiply the area by 2.25x, and voila, D800 sensor.

So far, all the 1:1 images I've seen support the idea that the D800 is a tweaked D7000 sensor scaled up.

Now where you get the FX advantage is downsampling the two sensor's images to a common output resolution. There the D800 does better because you're binning more pixels per final pixel.

Glad to see all these new D800 owners finally enjoying what us D7000 owners have had for a while now

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GlobalGuyUSA
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Re: D800 = 2xD7000 - I was dead right...
In reply to PatrickP, Mar 30, 2012

ISO 3200?

I want to see ISO 12,800 and 25,600.

Then let's compare.

Not sure that FX is meant to be compared at the (these days regarded as) mid-ISOs.

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lock
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Indeed. And take iso 6400 with it.
In reply to GlobalGuyUSA, Mar 30, 2012

You will see a difference. If you really keep the exposure the same.

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Zlik
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Re: That's why I sold my D7000 a while ago
In reply to Horshack, Mar 30, 2012

That looks WAY better than the D7000, even if you consider the shorter focal length. Not the final scientific test yet, but looks promising. Thanks !

This is a huge issue with the D7000. In low light, I am often around 1/30 at f/1.8 (35mm ISO 3200) and sharpness will be improved with the D800 at similar parameters.

Horshack wrote:

Zlik wrote:

Is the mirror vibration better on the D800?

I haven't done a fully analogous test yet but initial results look promising: http://forums.dpreview.com/forums/read.asp?forum=1021&message=41036625

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lock
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Are you planning more tests at longer lengths, Horshack ?
In reply to Horshack, Mar 30, 2012

I'm less worried about this issue with wide angle lenses really. It's more the macro and tele end range that interests me.

Btw, although I only had it in my hands for one evening, I cannot really say the standard shutter-mirror of the D800 (so not the q-mode) is more silent than my d300. So, if there is a better dampened shutter-mirror, it's not transfered into sound.

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So you do not mind the smaller viewfinder?
In reply to Lance B, Mar 30, 2012

I thought you would prefer a real viewfinder.

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