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  1. Galleries
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  3. Landscape with human elements
  4. » Test Sony A7s @ ISO 102400

 
Test Sony A7s @ ISO 102400...

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Test Sony A7s @ ISO 102400 sent on November 02, 2014 (19:56) by JuzaPhoto Samples. 100 comments, 26709 views. [retina]

at 24mm, 1/100 f/11.0, ISO 64000, hand held.




View High Resolution 12.0 MP  





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avatarjunior
sent on November 03, 2014 (12:02) | This comment has been automatically translated (show/hide original)

I knew of these performances, I had documented a lot.
Who knows what you can draw from outside in astronomy?

avatarjunior
sent on November 03, 2014 (12:16) | This comment has been automatically translated (show/hide original)

Interesting indeed, but I read that these sensors have major problems at high ISO with the color management.

user3834
avatar
sent on November 03, 2014 (12:23) | This comment has been automatically translated (show/hide original)

really interesting, but I read that these sensors have major problems at high ISO with the color management.


From what I have seen I would say talk:-D

avatarsenior
sent on November 03, 2014 (12:34) | This comment has been automatically translated (show/hide original)

It's actually a really good performance!
It 'clear that the race for megapixels has the downside of a sacrifice in yield at high ISO ... and here we see the difference between the 12mpx sensor sony and higher resolutions. Of course that is fine for those who are forced to work with very high ISO.
Tonight exhaust the full resolution version just out of curiosity.
Thanks Juza. Surely you will come back extremely useful in Iceland!
Stefano

avatarsenior
sent on November 03, 2014 (12:41) | This comment has been automatically translated (show/hide original)

You do not see the shadow areas and highlights are burned, but the rest is great and not cheap

avatarjunior
sent on November 03, 2014 (12:43) | This comment has been automatically translated (show/hide original)

From what I can see I'd say they talk


No comparative data is not possible to express an objective opinion.

I think a single image is not sufficient to establish the color fidelity.

avatarsenior
sent on November 03, 2014 (12:48) | This comment has been automatically translated (show/hide original)

Of course you can not expect miracles. The curves of the dynamic range of the color channels and also some sensitivity to flatten out, so you should not absolutely wrong element settings. Must center the histogram as possible to minimize the whites and blacks burned absolute ... but a compromise is definitely more than acceptable (if we say so).
Stefano

avataradmin
sent on November 03, 2014 (12:51) | This comment has been automatically translated (show/hide original)

Dynamic range and color obviously suffering from the high ISO, as well as the A7s is not immune to these problems, but still has some advantage over other fullframe.

avatarjunior
sent on November 03, 2014 (13:06) | This comment has been automatically translated (show/hide original)

Dynamic range and color obviously suffering from the high ISO, as well as the A7s is not immune to these problems, but still has some advantage over other fullframe.


I agree, but it seems that these sensors with the same high ISO, presenting images with colors that do not correspond to reality, then it seems that the benefit goes only in one direction.

avatarsenior
sent on November 03, 2014 (13:07) | This comment has been automatically translated (show/hide original)

Exactly .... at present is really a great result.
I pulled the most of my 6D ISO 12800 ... hard I push myself further, to a psychological factor than anything else.
But this sony I'd like to try it ... even if it actually clicks on these feelings I'd be able to do in a few ..... but .... I prefer to not have a chance ... then, as always, the appetite comes eating.
Stefano

user3834
avatar
sent on November 03, 2014 (13:07) | This comment has been automatically translated (show/hide original)

No comparative data is not possible to express an objective opinion.

I think a single image is not sufficient to establish the color fidelity.


To that I say I'm all talk, you give feedback on something you do not know, here I see a scene from "natural" would have done even a 6D? likely, but not sure I see the color difference, indeed!

avatarjunior
sent on November 03, 2014 (13:22) | This comment has been automatically translated (show/hide original)

For what I say I'm all talk, you give feedback on something you do not know, here I see a scene from "natural" would have done even a 6D? likely, but not sure I see the color difference, indeed!


Probably I expressed myself badly, Do not shoot the messenger.

Unfortunately I do not remember the site where such comparisons were made, however they were made in comparison with most SLRs (ie the judgments were given on results from empirical evidence).

I do not understand on what basis of comparison states that this has no problems with color fidelity.




user3834
avatar
sent on November 03, 2014 (13:43) | This comment has been automatically translated (show/hide original)

I do not understand on what basis of comparison states that this has no problems with color fidelity.


Only in my eyes of course

avatarsupporter
sent on November 03, 2014 (14:29) | This comment has been automatically translated (show/hide original)

The result is excellent and sorprendente.wow! Wow! Wow! If I had a company for the production of easels would estimate the possibility of change activities soon:-D

avatarsenior
sent on November 03, 2014 (14:42) | This comment has been automatically translated (show/hide original)

Sorry, I probably am the only one who did not know, but ... these beautiful ML Sony, using Canon L lenses with adapter ... the AF does it work? :-D

avatarsenior
sent on November 03, 2014 (14:45) | This comment has been automatically translated (show/hide original)

This is proof of the technological evolution and especially the incredible progress of digital photos than the chemical.
As I always said, right now proved by this image and others, the digital "penetrates the darkness."

avataradmin
sent on November 03, 2014 (14:47) | This comment has been automatically translated (show/hide original)

on these beautiful ML Sony, using Canon L lenses with the AF adapter ... does it work?


in principle no, the AF with the adapters is practically unusable.

avatarsenior
sent on November 03, 2014 (14:57) | This comment has been automatically translated (show/hide original)

In principle no, the AF adapters is practically unusable

Thanks Juza. I leave it to everyone, depending on your tastes and the photographic genre practiced, consider this; if the autofocus (as in my case) is an essential element, it is necessary to carefully analyze the range (and prices) of the optics by Sony. This is not a criticism, for heaven's sake ... but it seems a considerable obstacle in the transition from one brand to another. Passage, however, I tried a lot.

avataradmin
sent on November 03, 2014 (15:06) | This comment has been automatically translated (show/hide original)

It depends on what picture do ... for landscapes and macro AF is not needed, and for animal action is critical ... everyone needs to evaluate according to your needs.

avatarsenior
sent on November 03, 2014 (15:27) | This comment has been automatically translated (show/hide original)

Of course.
But I think, to people like me who stands at the window and does not resolve to decide, comparisons could be useful, for example, that between Canon EF 24-70mm f / 2.8 L USM II and Sony 24-70mm f / 2.8 ZA SSM Carl Zeiss Vario-Sonnar, rather than between the Canon EF 70-200mm f / 2.8L IS II USM lens and Sony 70-200mm f / 2.8 G SSM II.

In this sense, it is also useful and productive -for example- you do the comparison between 8-15 / 16-35 and 24-70 Canon Sony, although it is not the focal "competitors".

Obviously, it is very slow and expensive in the case of Canon are talking about real superstars ... not to mention that the board is not included in our service and need not (only) to direct purchases ... but it would be nice to know more, here.

Expect the market to go in thoset the direction and the products are reviewed by the users!
Thank you for this space and for the many useful information.


RCE Foto

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