Author Topic: A900 at 3200 ISO  (Read 21300 times)

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Offline Rob aka [minolta mad]

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Re: A900 at 3200 ISO
« Reply #15 on: June 21, 2010, 08:07:43 PM »
Wow Stef, that is superb.
When you say a quick run through, what do you mean ???


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Offline REX (aka TG)

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Re: A900 at 3200 ISO
« Reply #16 on: June 21, 2010, 08:18:21 PM »
O.K. I just very quickly ran the image through the new ACR 6.3 (Adobe Raw converter). 100% crop - no work done in PS. Only RAW settings tweaked.

Stef.

This is perfect what you did Stef, very difficult to believe it but this is the reality.
Thanks Stef
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Offline Stef.

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Re: A900 at 3200 ISO
« Reply #17 on: June 21, 2010, 08:19:57 PM »
Rob- I just opened up the image in ACR. I just used the noise reduction sliders (luminance and colour) and the "details" slider that comes now with it. I applied a very slight sharpening in ACR with masking. You can do much more for the reduction of the noice and the preservence of detail by playing around with contrast/ exposure and clarity to give the impression of a sharper image. Then I saved it and posted it here. As said the new noise reduction sliders in ACR 6.3. are outstanding.
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Offline Rob aka [minolta mad]

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Re: A900 at 3200 ISO
« Reply #18 on: June 21, 2010, 09:15:55 PM »
As said the new noise reduction sliders in ACR 6.3. are outstanding.
Stef.

Is that a trial version of ACR as on their site, the latest is 6.1 ???


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Re: A900 at 3200 ISO
« Reply #19 on: June 21, 2010, 11:58:26 PM »
Sorry mea culpa...it is indeed version 6.1
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Offline Theresa

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Re: A900 at 3200 ISO
« Reply #20 on: June 22, 2010, 01:26:15 AM »
Roger- the new ACR is really superb and makes noise ninja and co pretty much redundant. As said this was a quick run through and I guess with a bit more careful processing it would have been even better.
Stef.
I'll have to try it.  Do you think it does a better job than Lightroom?  I think the DxO sample needs more color noise reduction.
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Offline Theresa

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Re: A900 at 3200 ISO
« Reply #21 on: June 22, 2010, 01:38:35 AM »
Stef, you are the priestess of high ISO.  I will try to take some tomorrow at ISO 3200.  I will also try to post some, but I am shy and my fragile ego feels threatened by the possibility of someone being critical.  I took some of my computer before and after replacement of the motherboard so that I could to refer to the original configuration if I had to at ISO 1600.  It would have been better to shoot at 3200 as the shutter speed was slow even at that. 
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Re: A900 at 3200 ISO
« Reply #22 on: June 22, 2010, 02:09:30 AM »
I think the DxO sample needs more color noise reduction.

The point was to be default settings with no tweaks.
« Last Edit: June 22, 2010, 02:11:47 AM by Tom F »
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Offline Stef.

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Re: A900 at 3200 ISO
« Reply #23 on: June 22, 2010, 04:27:40 AM »
I think the DxO sample needs more color noise reduction.

The point was to be default settings with no tweaks.

If I may say so- I don't see the point of using default settings. All raw converters that I have tested need or should be tweaked to get the best results. I think - at least for me- it is important to find out which raw converter can regularly do a good job with Sony files. I have tested quite a lot of raw converters, Bibble Pro, DxO; Capture One Pro; Adobe ACR to name but a few and at least from my experience I have to say- most have quite a steep learning curve to get the best results out of your files. None of them give you a great raw conversion at the default settings. Yes, for some you can download camera specific default settings that are at least pointing you in the right direction but nevertheless tweaking is in most situations needed. Furthermore, some of them have quite a high price tag attached to them...so for me it was a revelation to find out that the newest Adobe raw converter with its new noise reduction feature makes some more expensive noise reduction programs or different raw converters redundant. Also, one can call it tweaking but at least with ACR in the above case it was just a question of using the two noise reduction sliders. My default settings in ACR are all sliders set to zero, that's not how the programm ships but how I have saved my default settings. I don't want noise reduction applied in all cases but only in specific ones.

Perhaps it would be worthwhile comparing the above raw file with the best settings and tweakings that we can achieve with our individual raw converters without any other post-processing?
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Offline rogprov

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Re: A900 at 3200 ISO
« Reply #24 on: June 22, 2010, 04:35:04 AM »
I think the DxO sample needs more color noise reduction.

The point was to be default settings with no tweaks.

If I may say so- I don't see the point of using default settings. All raw converters that I have tested need or should be tweaked to get the best results. I think - at least for me- it is important to find out which raw converter can regularly do a good job with Sony files.  ...
Stef.

Of course Stef is correct in all she says but my main point in starting the thread was to show why Sony cameras have gained the reputation of not being very good at high ISO. I'm convinced the reason is that so many reviewers just used Adobe CS3/4 (remember CS5 was not release when many of the original reports were made) with default settings - which with Sony files  is hopeless. Stef and others here have proved that with a good converter Sony can do high ISO just fine!

Roger

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Re: A900 at 3200 ISO
« Reply #25 on: June 22, 2010, 09:25:19 AM »
Very interesting subject. I use Nik Softwares Dfine (version 2.0) for noise reduction and it works much, much better than the updated IDC.

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Offline rogprov

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Re: A900 at 3200 ISO
« Reply #26 on: June 22, 2010, 09:43:57 AM »
Very interesting subject. I use Nik Softwares Dfine (version 2.0) for noise reduction and it works much, much better than the updated IDC.

kurt

Could you demonstrate using the thread file please?
Roger

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Re: A900 at 3200 ISO
« Reply #27 on: June 22, 2010, 11:28:28 AM »
The ACR 6.3 version is very good, particularly when you look at the old ACR version.
Is ACR 6.3 the common RAW converter for LR 3.0?
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Re: A900 at 3200 ISO
« Reply #28 on: June 22, 2010, 12:17:05 PM »
Could you demonstrate using the thread file please?

Here it is. All done in 'Automatic'-mode, I did not change anything.


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Re: A900 at 3200 ISO
« Reply #29 on: June 22, 2010, 03:59:31 PM »
Faldrax- ACR is version 6.1 - I made a mistake. Kurt very good result! I have got the same program Dfine. also neat image and Noise Ninja and usually use them depending on what I have shot. But as said, ACR 6.1. very likely makes some of them redundant. The beauty of the new noise reduction facility in ACR is that it has a wonderful detail slider that prevents the image from getting too soft.
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