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Archive 2014 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

thefoxeur
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p.1 #1 · p.1 #1 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Hello all ,

I will post in this topic my experience with the new a7s with my Canon gear.

I will post some high ISO , RAW and other test you want.

First 2 exemple of recovery , the Dynamic Range is very impressive !

http://www.sebastien-renard.com/pictures/recover.jpg

http://www.sebastien-renard.com/pictures/recover2.jpg

Seb

Edited on Jul 04, 2014 at 01:42 PM · View previous versions

Jul 03, 2014 at 07:41 PM

Geoff CB
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p.1 #2 · p.1 #2 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Would you be willing to upload the raw for the first image? Very interested in testing these files out. From just this however it looks very impressive.

Jul 03, 2014 at 08:24 PM

thefoxeur
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p.1 #3 · p.1 #3 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

yes sure that the link : http://www.sebastien-renard.com/pictures/DSC00116.ARW

Jul 03, 2014 at 08:45 PM

Geoff CB
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p.1 #4 · p.1 #4 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

You are amazing, thank you!

EDIT: Messed with both files and they are great! Great scalability as well, sooo tempted to switch away from my D800. Own a a6000 and want the step up. I know it's a cliché thing to ask, can you upload a ISO 6400 file, really wondering about the ability to manipulate high ISO.

Edited on Jul 03, 2014 at 10:36 PM · View previous versions

Jul 03, 2014 at 09:43 PM

thefoxeur
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p.1 #5 · p.1 #5 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

http://www.sebastien-renard.com/pictures/DSC00289.ARW the first one sorry !

Jul 03, 2014 at 09:58 PM

freaklikeme
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p.1 #6 · p.1 #6 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Thanks for sharing these. Is the a7s your only Sony a, thefoxeur? It'd be interesting to see a comparison between it and the 7 and/or 7r with their files downsized to match.

Jul 03, 2014 at 10:12 PM

thefoxeur
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p.1 #7 · p.1 #7 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Yes , i have only this one actualy , i will buy soon the a7r when my 1D Mark IV will be sold.

I will post some comparison between 1dx vs a7s

Jul 03, 2014 at 10:26 PM

Alex Phan
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p.1 #8 · p.1 #8 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

at OP: you should collect commission whenever someone going to get the A7s after this testing

Jul 04, 2014 at 12:21 AM

justruss
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p.1 #9 · p.1 #9 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

It would be quite interesting to see the A7 vs A7r, with the same lens, with normalized file sizes (up to 36mp and down to 12mp) when it comes to recovering shadows and just general high iso resolution vs. noise.

Jul 04, 2014 at 01:09 AM

thefoxeur
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p.1 #10 · p.1 #10 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Bubble , good Idea

on other from tonight ISO 12800 1/640 f4 . lens : 135 F2 canon

http://www.sebastien-renard.com/pictures/DSC00344.jpg

and the raw : http://www.sebastien-renard.com/pictures/DSC00344.ARW

Jul 04, 2014 at 01:17 AM

thefoxeur
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p.1 #11 · p.1 #11 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Iso 1600

http://www.sebastien-renard.com/pictures/DSC00361.jpg

RAW : http://www.sebastien-renard.com/pictures/DSC00361.ARW

iso 128000 in total darkness :

http://www.sebastien-renard.com/pictures/DSC00382.jpg

RAW : http://www.sebastien-renard.com/pictures/DSC00382.ARW

Jul 04, 2014 at 01:32 AM

thefoxeur
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p.1 #12 · p.1 #12 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

ISO 32000 , 35mm 1.4 :

http://www.sebastien-renard.com/pictures/DSC00400.jpg

http://www.sebastien-renard.com/pictures/DSC00400.ARW

When you have good available light the ISO are better , in critical light the same ISO are very bad and the color too !

Jul 04, 2014 at 01:46 AM

thefoxeur
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p.1 #13 · p.1 #13 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Hi this is a compare with the 1dx , same lens Canon L 35mm 1.4

This is 100% screenshot : 2 cameras was set in AWB !

A7S on Left , 1DX on Right

3200 IS0 :
http://www.sebastien-renard.com/pictures/3200.jpg

6400 IS0 :
http://www.sebastien-renard.com/pictures/6400.jpg

12800 IS0 :
http://www.sebastien-renard.com/pictures/12800.jpg

25600 IS0 :
http://www.sebastien-renard.com/pictures/25600.jpg

51200 IS0 :
http://www.sebastien-renard.com/pictures/51200.jpg

102400 IS0 :
http://www.sebastien-renard.com/pictures/102400.jpg

next I will post same pict with the 1dx Downscale to 12mp.

You can Download RAW : http://www.sebastien-renard.com/pictures/raw.zip

Edited on Jul 04, 2014 at 11:19 AM · View previous versions

Jul 04, 2014 at 02:43 AM

thefoxeur
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p.1 #14 · p.1 #14 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Same pict but 1dx downscale to a7s 12MP :

A7S on Left , 1DX on Right

3200 :
http://www.sebastien-renard.com/pictures/3200-12.jpg

6400 :
http://www.sebastien-renard.com/pictures/6400-12.jpg

12800 :
http://www.sebastien-renard.com/pictures/12800-12.jpg

25600 :
http://www.sebastien-renard.com/pictures/25600-12.jpg

51200 :
http://www.sebastien-renard.com/pictures/51200-12.jpg

102400 :
http://www.sebastien-renard.com/pictures/102400-12.jpg

Edited on Jul 04, 2014 at 11:19 AM · View previous versions

Jul 04, 2014 at 03:07 AM

snapsy
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p.1 #15 · p.1 #15 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

thefoxeur wrote:
iso 128000 in total darkness :

http://www.sebastien-renard.com/pictures/DSC00382.jpg

RAW : http://www.sebastien-renard.com/pictures/DSC00382.ARW

I see amp glow on the extreme left edge of the frame. A dpreview user noticed it on theirs for long-exposure High ISO shots, and a dpreview editor saw it on their copy even on the LCD Live View preview. The fact that you can see it at ISO 12,800 with a f/2 1/20 exposure is a bit disconcerting. All three bodies seem to have the glow at the same position, indicating it's an undissipated heat source on/near that area of the sensor.

EDIT: Got the ISO wrong, It's 128,000, not 12,800. hehe, not so disconcerting then

Edited on Jul 04, 2014 at 09:02 AM · View previous versions

Jul 04, 2014 at 07:45 AM

Prapanpong
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p.1 #16 · p.1 #16 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

Impressive low ISO but for the price and external recorder for 4k. I will have to think twice, just low iso only won't satisfy, thats just my 2c.

Jul 04, 2014 at 08:40 AM

thefoxeur
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p.1 #17 · p.1 #17 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

With an external 4K like shogun it's less expensive than a 1dx !

Jul 04, 2014 at 11:20 AM

thefoxeur
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p.1 #18 · p.1 #18 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

An other test with the mechanical , electronic and silent shutter , Dynamique range

The Raw : http://www.sebastien-renard.com/pictures/shutter.zip

http://www.sebastien-renard.com/pictures/SilentshuterDR.jpg

Edited on Jul 04, 2014 at 12:38 PM · View previous versions

Jul 04, 2014 at 12:06 PM

thefoxeur
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p.1 #19 · p.1 #19 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

An other test of DR :

The Raw : http://www.sebastien-renard.com/pictures/dynamic.zip

http://www.sebastien-renard.com/pictures/compareDR.jpg

Jul 04, 2014 at 12:34 PM

ebrandon
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p.1 #20 · p.1 #20 · Sony a7s Topic [DR + HIGH ISO + RAW + compare 1dx] - REVIEW

You are doing a fantastic job of testing this camera and sharing the results here. Thank you so much.

Now, if you'll just put some wide angle rangefinder lenses on it too, you get the Fredmiranda A7s tester of the year award.

Jul 04, 2014 at 12:51 PM

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