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Camera conference General and model-specific E-System camera chat.

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Old 4th July 2011
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E-P3/E-P2 high ISO noise comparison samples to compare

100% crops, in-camera JPEGs, noise filter OFF.


Above: E-P3 ISO 3200


Above: E-P2 ISO 3200


Above: E-P3 ISO 6400


Above: E-P2 ISO 6400

I can see that the E-P3 is clearly superior to the E-P2, as expected, if not quite by a full EV.

I will post some more a bit later! Including comparison with an E-5.

In the mean time - what do you think?

Ian
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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

I know I will eventually get round to buying a Pen as a go anywhere and back-up camera and this has certainly given me some food for thought. I usually (apart from family shots) only work in RAW and I assume these results can be directly related to Jpeg conversion from Raw in PS?

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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Thanks for posting these Ian, there is an obvious improvement the grain structure certainly appears finer with less colour disparity from the EP-3, there seems to be more of difference between the two samples at ISO3200 than 6400.
With some half decent noise control images at ISO3200 should be very acceptable by the look of it, given these are 100% crops.
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

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Originally Posted by David Morison View Post
I know I will eventually get round to buying a Pen as a go anywhere and back-up camera and this has certainly given me some food for thought. I usually (apart from family shots) only work in RAW and I assume these results can be directly related to Jpeg conversion from Raw in PS?

David
These are in-camera JPEGs with the noise filter off, and at high ISO that makes a big difference. I will shortly post the same sample ISOs with the noise filter on and you will see what I mean. Obviously, I can't process the RAW files from the E-P3 yet, but in general you can get better noise management from a RAW file, although Olympus JPEGs are some of the best produced by a camera.

Ian
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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

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Originally Posted by Greytop View Post
Thanks for posting these Ian, there is an obvious improvement the grain structure certainly appears finer with less colour disparity from the EP-3, there seems to be more of difference between the two samples at ISO3200 than 6400.
With some half decent noise control images at ISO3200 should be very acceptable by the look of it, given these are 100% crops.
Oddly enough, I think the ISO 6400 samples are further apart, it seems the difference widens as the ISO increases, in favour of the E-P3 - at least to me!

Ian
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

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Originally Posted by Ian View Post
Oddly enough, I think the ISO 6400 samples are further apart, it seems the difference widens as the ISO increases, in favour of the E-P3 - at least to me!

Ian
You have me at an advantage Ian
I would love to have a play with one of these for a weekend
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Pen E-P3 100% crops @ ISO 6400:


No noise filter


Noise filter set to Standard

And, ISO 12800 with noise filter set to Standard, resized view of the entire frame to VGA (640 wide) using Lightroom. No processing applied except for resize sharpening:



Comments welcome!

Ian
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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

You're just making me even more jealous now, Ian. For that shot to be at ISO12800 is just immense. Long gone are the days of high Oly noise!
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

A clear advantage for the E-P3, although ISO 6400 still appears worse than ISO 3200 on the E-P2 so not quite a stop advantage. I would expect ISO 3200 to be the normal practical maximun, except in emergencies, but it looks a very good 3200!
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Quoting for specific discussion ;
Quote:
Originally Posted by Ian View Post
100% crops, in-camera JPEGs, noise filter OFF.


Above: E-P3 ISO 3200


Above: E-P2 ISO 3200
Thanks for posting these Ian.
I'm seeing something happening to the red around the Baclaran/Jaialai lettering : the e-P3 seems to be creating edge contrast there by darkening the red that borders the white letters while the e-P2 is definitely not.
What do your eyes or another breed of camera see in that area?
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Quote:
Originally Posted by Ulfric M Douglas View Post
Quoting for specific discussion ;

Thanks for posting these Ian.
I'm seeing something happening to the red around the Baclaran/Jaialai lettering : the e-P3 seems to be creating edge contrast there by darkening the red that borders the white letters while the e-P2 is definitely not.
What do your eyes or another breed of camera see in that area?
Yes the white in the lettering does look a little contaminated - I can't explain it but will flag with Olympus.

Ian
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Not the white (although it is very slightly) but the red surround appears to darken in some places when it meets the white letters, which is not apparent in the e-P2 picture.
I for one would be very happy with this whether intentional or an illusion, looks good and is very subtle.
So ... not a problem, just an observation.

( Ask Olympus to send me a free VF-2, thanks.)
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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Very impressive, id be very interested to see how the e5 and even epl1 compares if you have time, cheers.
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Old 4th July 2011
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Quote:
Originally Posted by Ulfric M Douglas View Post
Not the white (although it is very slightly) but the red surround appears to darken in some places when it meets the white letters, which is not apparent in the e-P2 picture.
I for one would be very happy with this whether intentional or an illusion, looks good and is very subtle.
So ... not a problem, just an observation.

( Ask Olympus to send me a free VF-2, thanks.)
There is something in the Olympus white paper I have that documents improvements to the edge rendering of TruePic VI. I will dig it out tomorrow

Ian
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Re: E-P3/E-P2 high ISO noise comparison samples to compare

Ian are the improvements due to advances in the way the software deals with the sensor output or advances within the sensor itself. Thanks Martin.
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