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Panasonic Lumix LX7 Ken McMahon, October 2012
 
 

Panasonic Lumix LX7 JPEG vs RAW

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To compare real-life performance between RAW and JPEG files on the Panasonic Lumix LX7, I shot this scene in the camera's RAW+JPEG mode.

The sensitivity was set to 80 ISO and the aperture to f4.

The JPEG was processed using the in-camera defaults, while the RAW file was processed using the Silkypix Developer Studio 3.1 SE application supplied with the camera.

  Panasonic Lumix LX7 results
1 Panasonic LX7 Quality
2 Panasonic LX7 RAW vs JPEG
3 Panasonic LX7 Noise
5 Panasonic LX7 Sample images

The ability to shoot RAW+JPEG files on the Lumix LX7 means you can process the RAW data yourself in the supplied Silkypix Developer Studio 3.1 SE, or another third party RAW processing application. One reason for doing this might be to attempt to squeeze a better quality image from the LX7 by using different processing parameters. As it turns out, the Lumix LX7's in-camera JPEG processing produces very good results with an excellent balance between detail and noise suppression.

The crops below show the in-camera JPEG on the left with the middle column displaying crops from the RAW file processed using the Silkypix default settings. As you can see the LX7 actually does a much better job. The default Silkypix JPEG looks softer with less detail and lacks the punchy contrast and saturation of the in-camera shot.

In the third row I've attempted to tweak the parameters in Silkypix to improve the result. I've altered the white balance marginally, increased the contrast and saturation and applied unsharp mask of 80 with a radius of 0.8. The result is a big improvement on the defaults, but I'd still take the in-camera JPEG against my effort.

With a little more time I could probably match and even slightly improve upon the in-camera JPEG. Using a third party application that you're familiar with might also yield better results, but the in-camera JPEG is good enough that you shouldn't need to bother in most circumstances. Of course, improved detail isn't the only reason to shoot RAW and the extra exposure latitude and enhanced scope for white balance and other corrections make this a very worthwhile option to have.

Now let's see how they compare at higher sensitivities in my Panasonic LX7 noise results.

 

 

Panasonic Lumix LX7
(JPEG using in-camera defaults)
 
Panasonic Lumix LX7
(RAW using Silkypix defaults)
 
Panasonic Lumix LX7
(RAW using Silkypix tweaked)
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO
f4, 80 ISO


Panasonic Lumix LX7 results : Quality / RAW vs JPEG / Noise



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