Which is better in low light D5100 or 5200? DXO likes 5100

Started Jun 20, 2013 | Discussions
photo perzon
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Which is better in low light D5100 or 5200? DXO likes 5100
Jun 20, 2013

5100 has better score for low light

for pictures of smiling dogs not moving in low light with 1.8 prime

what about the 5200 with no AA?

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Horshack
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D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to photo perzon, Jun 20, 2013

Which numbers were you looking at?

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Terry Vickers
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to Horshack, Jun 21, 2013

Yeah. Horshack has the figures right. There is about .1 stop difference in favour of the D5200.

Not worth worrying about in the real world. But DXO certainly thinks the D5200 is marginally better.

The numbers mean that ISO 1183 on the D5100 is equivalent to ISO 1284 on the D5200.

The D5200 is marginally better because it allows you to shoot at a slightly higher ISO to give (roughly) the same picture quality.

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Horshack
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to Terry Vickers, Jun 21, 2013

Terry Vickers wrote:

Yeah. Horshack has the figures right. There is about .1 stop difference in favour of the D5200.

Not worth worrying about in the real world. But DXO certainly thinks the D5200 is marginally better.

The numbers mean that ISO 1183 on the D5100 is equivalent to ISO 1284 on the D5200.

The D5200 is marginally better because it allows you to shoot at a slightly higher ISO to give (roughly) the same picture quality.

The D5200's advantage is a bit more than reflected in DxO's composite low-light score. The 18% SNR difference is tiny but the D5200 has about a 2/3 stop advantage in the shadows at High ISO.

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kgbruce01
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This one is better...
In reply to photo perzon, Jun 21, 2013

... The one in the hands of the photographer that shoots and exposes better.

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mosswings
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to Horshack, Jun 21, 2013

Horshack wrote:

Terry Vickers wrote:

Yeah. Horshack has the figures right. There is about .1 stop difference in favour of the D5200.

Not worth worrying about in the real world. But DXO certainly thinks the D5200 is marginally better.

The numbers mean that ISO 1183 on the D5100 is equivalent to ISO 1284 on the D5200.

The D5200 is marginally better because it allows you to shoot at a slightly higher ISO to give (roughly) the same picture quality.

The D5200's advantage is a bit more than reflected in DxO's composite low-light score. The 18% SNR difference is tiny but the D5200 has about a 2/3 stop advantage in the shadows at High ISO.

Is this reflected in their measurements or your own?  It's certainly not in their graphs...more smoothing going on, AA filter or otherwise? High ISO is ... what?  3200? 6400?

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nfpotter
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Re: Which is better in low light D5100 or 5200? DXO likes 5100
In reply to photo perzon, Jun 21, 2013

Look at similar pictures taken with the 2 cameras.  Pick which one you like the look of better.  DXO is half crap, IMO.

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Horshack
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to mosswings, Jun 21, 2013

mosswings wrote:

Horshack wrote:

The D5200's advantage is a bit more than reflected in DxO's composite low-light score. The 18% SNR difference is tiny but the D5200 has about a 2/3 stop advantage in the shadows at High ISO.

Is this reflected in their measurements or your own? It's certainly not in their graphs...more smoothing going on, AA filter or otherwise? High ISO is ... what? 3200? 6400?

You wont see it on the 18% SNR graphs. Look at either at the bottom of the Full SNR graphs for High ISO (shadows) or the DR graphs for DR. They both tell the same story about the D5200's lower noise in the shadows.

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mosswings
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to Horshack, Jun 21, 2013

Horshack wrote:

mosswings wrote:

Horshack wrote:

The D5200's advantage is a bit more than reflected in DxO's composite low-light score. The 18% SNR difference is tiny but the D5200 has about a 2/3 stop advantage in the shadows at High ISO.

Is this reflected in their measurements or your own? It's certainly not in their graphs...more smoothing going on, AA filter or otherwise? High ISO is ... what? 3200? 6400?

You wont see it on the 18% SNR graphs. Look at either at the bottom of the Full SNR graphs for High ISO (shadows) or the DR graphs for DR. They both tell the same story about the D5200's lower noise in the shadows.

Ah.  One has to flip rapidly between browser panes to see it. There is a bit more rolloff at ISO3200 below 1%, but things match up again at higher ISOs; there are small differences throughout the range that would make me want to see results from a larger sample size.  At least for the two cameras tested there is a difference, but I would wonder if it would hold true in the aggregate.

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coudet
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Re: D5100 = 1183, D5200 = 1284 for low-light ISO score
In reply to Terry Vickers, Jun 21, 2013

Terry Vickers wrote:

There is about .1 stop difference in favour of the D5200.

More.

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KennyXL
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Re: Which is better in low light D5100 or 5200? DXO likes 5100
In reply to photo perzon, Jun 21, 2013

photo perzon wrote:

5100 has better score for low light

for pictures of smiling dogs not moving in low light with 1.8 prime

what about the 5200 with no AA?

I don't know where you got your information, but the D5200 does have an AA filter.  The D7100 does not have an AA filter.

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jonikon
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Re: Which is better in low light D5100 or 5200? DXO likes 5100
In reply to photo perzon, Jun 21, 2013

photo perzon wrote:

5100 has better score for low light

for pictures of smiling dogs not moving in low light with 1.8 prime

what about the 5200 with no AA?

DxOMark sensor scores are often misleading because they do not compare image quality, but rather only potential IQ based on the RAW file data only It is only after the the RAW image has been processed with all it's algorithmic compromises  that a real world evaluation of the IQ can begin. Different RAW converters will produce different real world IQ results.

Personally, I prefer the real world image output of the 16MP sesnor to that of the 24MP because it does not have nearly as much of the high frequency noise  that the 24MP sensor has. Removing the high frequency noise in the 24MP images will reduce the detail to a point below that of the 16MP sensor, so if you can look beyond the HF noise then the 24MP sensor would be your best choice, but if you can not, then the 16MP sensor would please you more.  In the final analysis you should trust your own eye and decide what you like best in terms of IQ based on real image output, and just use the DxOMark scores as one piece of the IQ comparison conundrum.

-Jon

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Nexu1
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Re: Which is better in low light D5100 or 5200? DXO likes 5100
In reply to photo perzon, Jun 21, 2013

D5100 vs D5200 in low light is splitting hairs.  Negligible difference.

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Horshack
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My D5100 vs D5200 High ISO comparison
In reply to mosswings, Jun 21, 2013

mosswings wrote:

Ah. One has to flip rapidly between browser panes to see it. There is a bit more rolloff at ISO3200 below 1%, but things match up again at higher ISOs; there are small differences throughout the range that would make me want to see results from a larger sample size. At least for the two cameras tested there is a difference, but I would wonder if it would hold true in the aggregate.

Here's a High ISO comp I did myself:

http://www.dpreview.com/forums/post/51140958

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David Lal
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In reply to photo perzon, Jun 21, 2013

photo perzon wrote:

5100 has better score for low light

for pictures of smiling dogs not moving in low light with 1.8 prime

what about the 5200 with no AA?

Don't b*gger about with 'available light' and muddy shadows. Whatever the camera body, pop on a SB800/SB900, perhaps with another one or maybe an SB26  on delayed slave auto-ranging mode in the background. As for F1.8 and even bigger apertures think what's going to happen to the depth of field.

David

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