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  4. » Test photos, Nikon d600 to ISO 12800

 
Test photos, Nikon d600 to ISO 12800...

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Test photos, Nikon d600 to ISO 12800 sent on October 26, 2012 (9:49) by JuzaPhoto Samples. 41 comments, 13294 views.

at 46mm, 1/40 f/4.0, ISO 12800, hand held.




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avatarsenior
sent on October 26, 2012 (15:18) | This comment has been automatically translated (show/hide original)

But my comment was that this is something that is pulled out would come exactly the same even using a lower sensitivity and identical shooting parameters. Example: Shooting with shutter speed / aperture / other all the same two photos, one in 3200 and one in ISO 12800. I open the first and apply +2 stops in ACR, I open the second exposure without modification. The result will be the same.

Almost. The D600, I believe, handles 16-bit data and then convert them to 14bit or 12bit (depending on the settings menu) when saving the Raw. To work on 16 bit allows a better allocation of brightness and chroma before you save the file in RAW. So I think you get something else to shoot at ISO 3200 and 12800, as in these settings, the machine will create slightly different as the raw content complessivo of information.

avatarjunior
sent on October 26, 2012 (15:40) | This comment has been automatically translated (show/hide original)


Cobarcore please ... Eeeek! File underexposed by 2 stops at 3200 iso and then recovered a noise rather than a properly exposed even slightly overexposed which is better ...

not necessarily ... in fact I know the Exmor have only one feeling ... all the others are processing of digital data.
The advantage is obvious, less gain required by the amplification circuit, which results in a better noise figure, and less occupied space that makes it possible to integrate thousands of AD converter, limiting as much as possible the alteration signal ..
the disadvantage is that they are required AD converters with at least 12 bits (but with modern production processes the increase in size is insignificant) ... information that under normal conditions of UTILIZZO, 100-1600 ISO, would be irrelevant but become of vital importance for the higher sensitivities, the result of heavy recovery in PP.
This is a long leader on cleaning the file to the very low iso sensor Sony.

avatarsenior
sent on October 26, 2012 (17:14) | This comment has been automatically translated (show/hide original)

@ Bob70: trying to make a noise test of reading and you'll see that it is as you say. For example, see the chart below (for 60D): beyond a certain sensitivity, the curve flattens out. The knee is the max iso it makes sense to use. In addition there is only a multiplication of signal and noise in equal parts, made obtainable even in retrospect on a PC.




avatarsenior
sent on October 26, 2012 (17:18) | This comment has been automatically translated (show/hide original)

@ Gannjunior: I meant a comparison with the same shutter speed. Or just to be more clear and remain in the example Juza:
# 1: 1/40 f/4.0, ISO 3200
# 2: 1/40 f/4.0, ISO 12800

Then in ACR:
# 1: +2 stops exposure
# 2: exposure to 0

Compare the two results. Will be equal in terms of background noise. Of course, the assumption being beyond the "knee" mentioned above.

It would be very interesting to see the curve of the read noise of the D600 instead of an image on the field. Would understand much better what is iso beyond which it is not convenient to go.

avatarsenior
sent on October 26, 2012 (17:24) | This comment has been automatically translated (show/hide original)

So I think you get something else to shoot at ISO 3200 and 12800

@ Valerio: maybe, maybe not. The opinions given to sentiment are certainly respectable, especially in light of your experience, but still I'm used to believe only the facts, or measures as in the graph.

I'm aware of the fact that they have only one Exmor sensitivity

@ Tuttodigitale: all this would be very interesting to look into. The fact that the A / D is 16 bits would make it technically, but I do not know whether it is really so. Do you have any link with the official sources?

avatarsenior
sent on October 26, 2012 (18:18) | This comment has been automatically translated (show/hide original)

edit

avatarsenior
sent on October 26, 2012 (19:07) | This comment has been automatically translated (show/hide original)

@ Valerio: maybe, maybe not. The opinions given to sentiment are certainly respectable, especially in light of your experience, but still I'm used to believe only the facts, or measures as in the graph
Unfortunately I have not had time (should: fconfuso :) with reliable data to validate my statements, if not by some empirical evidence that seemed to confirm what has been written. I do not deny that I'd like to do with a measurement of this kind with you, maybe testing Canon and Nikon together to provide results fully comparable. My thesis was born after an exchange of views with a Nikon engineer, and it had seemed plausible as well as confirmed by fast empirical evidence. On this there riaggiorniamo ;-) I've put quite a worm ... :-)

avatarsenior
sent on October 26, 2012 (20:11) | This comment has been automatically translated (show/hide original)

Really good test, Juza're a big to do these tests on both machines and goals!

avatarsenior
sent on October 26, 2012 (20:17) | This comment has been automatically translated (show/hide original)

I'd like to do with a measurement of this kind with you, maybe testing Canon and Nikon at the same time

@ Valerio: would be great! Let us feel.

avatarsenior
sent on October 26, 2012 (21:04) | This comment has been automatically translated (show/hide original)

I mean like Cuba Kapito test. Rather I was not clear that the d600 iso natives had up to 6400 .. but get to 12800 in expansions ...

avatarjunior
sent on October 26, 2012 (21:08) | This comment has been automatically translated (show/hide original)

Really a great camera! Small comfortable and excellent quality! For me it is perfect! Just waiting for the Canon 6D in order to make a comparison! :)

avatarjunior
sent on October 26, 2012 (22:56) | This comment has been automatically translated (show/hide original)

6ugrave; upstream with respect to the face of the software PP.
I also had a look at your interesting analysis on your own site. It seems to me that the graph of the read noise you put it on a logarithmic scale of the abscissa I think in base 10, it might be more readable if the ISO were normalized on a logarithmic scale to the base 2, where 0 is ISO 100, ISO 200 is 1 , ISO 400, 3, etc..

user8988
avatar
sent on October 27, 2012 (9:07) | This comment has been automatically translated (show/hide original)

Beyond just observations and empirical data, I must say that this is a lady D600 machine, unfortunately I would speak against the other almost FF (sensor tight to several mm), the 6D, which disappointed me a lot, even if field can churn out high ISO shots dear, this D600 offers many more opportunities, both in the AF points, the build quality, ergonomic controls, and many other aspects.
The test in its simplicity is very esaudiente, without slipping in any case find the nitpicking, for the price that is asked I find a good product.
Bravo Juza.

avatarsenior
sent on October 27, 2012 (14:50) | This comment has been automatically translated (show/hide original)

Try a camera at maximum sensisibilità is a bit like a car trying to max output speed: you always travel in tablet? It also accounts for driving comfort, has shooting, has good road holding. So, back to the photograph, the yield at high ISO must be supported by a autocofus accurate and fast, a quick burst and a buffer that does not fill immediately, a riporduzione faithful throughout the tonal range. Are all these combined elements that determine the quality of the machine, only one parameter is not enough.

A few words on the price. A FF 1770 euro "is still a little expensive"? Canon 7D and Nikon D300S, which is APS-C, were launched on the market at a price very similar!

avatarjunior
sent on October 27, 2012 (15:53) | This comment has been automatically translated (show/hide original)

looks like my 7d to 3200 ....

avatarsenior
sent on October 27, 2012 (15:57) | This comment has been automatically translated (show/hide original)

Two words on the price. A FF 1770 euro "is still a little expensive"? Canon 7D and Nikon D300S, which is APS-C, were launched on the market at a price very similar!

If that's the 5D2 also costs less, while the two APS-C mentioned are top of the range in their class and they started to do other things that these entry level FF obviously can not do, being born to different genres. The sensor is essential ... but it is "everything."

avatarsenior
sent on October 27, 2012 (16:48) | This comment has been automatically translated (show/hide original)

@ Stefanos
I honestly do not know if the amplification of the signal received from the sensor makes the car already in digital or analog. In theory, the machine should give a better result because in the flow of signal processing acts more upstream than face the software PP.

Do not even know if the amplification of the sensitivity extended machine makes sw or hw. From my tests on 60D and 5D seems to be by hw. In any case it is hw or sw, if you're after the knee of the curve of the read noise, it does not matter because the result is the same. To do this via hw by car or by software on PC is similar (if above the knee).

I also had a look at your interesting analysis on your own site. It seems to me that the graph of the noise you read the mettin a logarithmic scale of the abscissa I think in base 10, it might be more readable if the ISO were normalized on a logarithmic scale to the base 2, where 0 is ISO 100, ISO 200 is 1, ISO 400, 3, etc..

Thanks for your visit and comments! I used the scale is logarithmic, but the values ??are the numbers "right" or 100-200 - ... If I use a different scale as you suggest, reading the values ??on would not be immediate. I also do not seem to excel allowing us to use the graphs in logarithmic base other than 10. Thanks cmq the suggestion!

avatarjunior
sent on October 27, 2012 (19:12) | This comment has been automatically translated (show/hide original)

I believe that you are giving too much importance to these sensitivity tests so absurd. How many of you scatterenno to ISO so high in their lives? A file is not only resolution and noise .. there are other manufacturer parameters that combine to achieve a good race for foto.La Mpx are another example of absurdity. I'm a professional still the "old way" that looks to hard and does not get fooled by the last novità.Non talk about some of the costs of these reflex ... have ballooned as the pizza dough ... :-D

avatarsenior
sent on October 27, 2012 (23:35) | This comment has been automatically translated (show/hide original)

@ Golfinho203
I believe that you are giving too much importance to these sensitivity tests so absurd. How many of you scatterenno to ISO so high in their lives?

I totally agree that the max iso and megapizze are mirrors dressing.
But I do not agree that verify the behavior at high iso is useless. Maybe for your kind of photography you do not need, but there are special cases where the sensitivity and clean image are used and how.

avatarsenior
sent on October 27, 2012 (23:56) | This comment has been automatically translated (show/hide original)

How many of you scatterenno to ISO so high in their lives?


I have a D200 and ISO 400 are already in crisis ... and you know how many times I wanted to stop those 3-4 margin! ;-) In many cases make the difference between taking home a shot or not!




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