October 02, 2014, 11:34:11 AM

Author Topic: 5D3/5D2/D800 DR plotted  (Read 6238 times)

nightbreath

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Re: 5D3/5D2/D800 DR plotted
« Reply #15 on: March 11, 2012, 06:07:21 AM »
Didn't say they were made up - just estimates

Hard to compare a D3X against, say, a 1Ds3 or a 1DX  or even a 7D against the D700 - because as you say they are all Nikon

The (e) numbers look unrealistic to me. I don't understand why there's such a big difference (~ of 1 stop) between D4 and D4 DX in terms of DR. There are also other examples.
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Re: 5D3/5D2/D800 DR plotted
« Reply #15 on: March 11, 2012, 06:07:21 AM »

dilbert

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Re: 5D3/5D2/D800 DR plotted
« Reply #16 on: March 11, 2012, 06:18:36 AM »
Hard to compare a D3X against, say, a 1Ds3 or a 1DX  or even a 7D against the D700 - because as you say they are all Nikon

Right, but the point here isn't to compare a 1Ds3, 1DX or 7D but rather the 5D2 to the 5D3 and both of those with the D800. People want to know if the 5D3 is better than the 5D2 (and if so, by how much) and how the D800 and 5D3 compare.

briansquibb

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Re: 5D3/5D2/D800 DR plotted
« Reply #17 on: March 11, 2012, 06:43:14 AM »
Hard to compare a D3X against, say, a 1Ds3 or a 1DX  or even a 7D against the D700 - because as you say they are all Nikon

Right, but the point here isn't to compare a 1Ds3, 1DX or 7D but rather the 5D2 to the 5D3 and both of those with the D800. People want to know if the 5D3 is better than the 5D2 (and if so, by how much) and how the D800 and 5D3 compare.

I would have though people would want to see all sorts of comparisons - particularly the 7D against ff.

Nothing wrong with the graphs - just limited when it comes to Canon kit - and I wouldn't be that keen on guestimates on kit kit not yet released.

LetTheRightLensIn

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Re: 5D3/5D2/D800 DR plotted
« Reply #18 on: March 13, 2012, 02:01:58 AM »
Didn't say they were made up - just estimates

Hard to compare a D3X against, say, a 1Ds3 or a 1DX  or even a 7D against the D700 - because as you say they are all Nikon

The (e) numbers look unrealistic to me. I don't understand why there's such a big difference (~ of 1 stop) between D4 and D4 DX in terms of DR. There are also other examples.

Because D4 DX just cropped away most of your pixels. DX mode is only 1.5 crop. So FF had 2.25 more area and pixels.

nightbreath

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Re: 5D3/5D2/D800 DR plotted
« Reply #19 on: March 16, 2012, 12:25:53 PM »
Because D4 DX just cropped away most of your pixels. DX mode is only 1.5 crop. So FF had 2.25 more area and pixels.

My thought was that having relatively big pixel pitch DR is less affected by the area light is projected to, and 33% less area doesn't make such a big difference.

I've checked the web-site again and noticed that the (e) prefixes disappeared from the D4 labels and the difference between DR of those became closer to 0.6 stops.
« Last Edit: March 17, 2012, 04:56:23 PM by nightbreath »
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cps_user

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Re: 5D3/5D2/D800 DR plotted
« Reply #20 on: March 16, 2012, 01:27:25 PM »
Brilliant.

A comparison of camera's that haven't even been released yet (and all material available is from pre-production units).

HAHAHAHAHA

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Re: 5D3/5D2/D800 DR plotted
« Reply #20 on: March 16, 2012, 01:27:25 PM »