The Panasonic LX3 and Leica D-LUX 4 automatically correct in-camera JPEGs for barrel distortion and color fringing. The two cameras also ship with RAW converters, Silkypix and Capture One respectively, which apply the same automatic corrections. However, using a third party RAW converter, one can see marked barrel distortion and significant color fringing.

Below, you will find some files for download. I chose a high contrast scene to challenge the camera's dynamic range.



The "Converted RAW" file is a JPEG processed from RAW using Raw Developer (Mac). It shows the uncorrected barrel distortion and purple fringing at ~28mm equivalent and 3:2 aspect. Note that the barrel distortion is even more severe at 24mm equivalent and/or 16:9 aspect. The "In-camera JPEG" file demonstrates the file as corrected in camera. The third file is RAW. To convert the RAW file using Raw Developer, you must first change the extension from .RWL (D-LUX 4 extension) to .RW2 (LX3 extension). There is a fourth file to download, "SDIM0492", which is a Sigma DP1 ISO 100 image of the same scene. You can process this Sigma RAW using Lightroom/ACR or Sigma Photo Pro if you want to see how it compares to the D-LUX file.

Below, you can download the ISO 400 files for the same scene. Once again, a Sigma DP1 RAW file is included for comparison. At both base ISO and ISO 400, the converted RAWs contrast the in-camera JPEGs not only from a standpoint of color fringing and distortion, but also noise, color, and highlight retention.

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David Farkas Photography Blog has some of the best Photokina coverage around. His latest post has excellent photos of and commentary regarding the Leica D-LUX 4 system. I found the following statement regarding the D-LUX 4 to be of particular interest:

The camera ships with Capture One v4 software which allows RAW file processing. Interestingly, the Panasonic LX3’s RAW files are actually different and are not supported in C1. So, the differences go beyond skin deep between these compact camera cousins.

If true, this would be the first time that a Panasonic product were to differ at the RAW level from the Leica version of the same product. It's remains to be seen whether there are such substantive differences. Perhaps a simple camera name change in the EXIF will be all that it takes to get LX3 support in C1.

At any rate, when choosing between a D-LUX 4 and LX3, don't forget to factor in the longer warranty, included RAW software, and higher resale value of the Leica product.

Source: David Farkas Photography Blog - Photokina 2008 - Day 5 - Gitzo, Manfrotto, Lastolite, and Leica compacts revisted

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From the GetDPI forums:

Good to see Leica taking a system approach to the D-LUX 4, but I'm wondering how many small sensor compact camera users will be willing to pay that much for a 24mm opsteekzoeker.

In case anyone has forgotten, a "street ready" LX3 is also quite attractive:

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With Photokina coming in September, there are many questions about what we might see from Leica this year. Will there be a Digital CL? D-LUX 4? R10? Autofocus R system? Leica version of the Olympus E-3? M9? More lenses?

A regular in the Leica Camera Forum has some of the answers, apparently straight from Stefan Daniel (product manager for the M System since 1998). Learn more here.

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If one is in the market for a current model compact camera with RAW capability and an optical zoom lens covering wide to telephoto, there are basically two choices, the Panasonic DMC-LX2 (including the Leica version, D-LUX 3) and the Ricoh Caplio GX100. Both of these are highly capable compact cameras. Recently, we have been providing quite a bit of GX100 coverage. To see some excellent work with the D-LUX 3, check out Jim Radcliffe's D-LUX 3 page here.

When faced with the prospect of buying one versus the other, I personally went for the GX100 due to its wider wide and, arguably, rawer RAW. I also liked having a hot shoe, mainly for the prospect of attaching an external viewfinder. However, the LX/D-LUX series has several notable strengths including a native 16:9 sensor, a format which I greatly enjoyed with the LX1. Since the "28mm equivalent" is based on the diagonal angle of view (AOV), a 16:9 format also means that the horizontal AOV at 28mm equivalent is significantly wider (and the vertical AOV significantly shorter) than it would be for a camera with a 4:3 aspect ratio. For a side-by-side view of the features offered by these two cameras, look to DPReview's feature comparison here.

The GX100 and LX2 offer widely distinct feature sets yet stand together and alone in their class. With these two cameras, Ricoh and Panasonic are leading the way with regards to what can be done with an excellent wide zoom lens and user access to RAW in a compact camera. The reason for this post is that we are hearing rumors (and in some cases more than just rumors) that both the GX100 and LX2 replacements will be introduced for Photokina in September. Panasonic made a point of holding back the LX2 replacement while introducing eight new models for PMA, and the Lets Go interview (via 1001 Noisy Cameras) suggests that Panasonic knows the importance of the LX2 in their lineup. Ichiro Kitao, Product Planning Manager Panasonic Optical Group, had the following to say when asked about the advanced compact camera market, particularly in relation to the Canon G9:

I think it is a very important segment. We have a camera in the pipeline for that segment; the Panasonic LX2. It is the year of the Photokina show so you can expect a lot from us. I suppose you can compare the Lumix LX2 to Canon's G9 camera. Not only the enhanced amateur is using this camera; we know that there are professionals too that use the Panasonic LX2 as an extra camera and for personal use. The concept of the Lumix LX2 is different than that of the PowerShot G9. We try to aim more at the emotional aspect of a compact camera. However; the possibilities of both cameras are quite alike.

Some have speculated that all we'll see is a couple of 12MP sensors thrown into the same old bodies, but I am more optimistic than that. Ricoh and Panasonic each have strong recent records of innovation. Invigorated by the introduction of the Sigma DP1 in the high end compact space, I believe both companies will come ready to battle for the advanced compact segment at Photokina this year. If Sigma brings out a DP series camera featuring a zoom lens, things will be even more interesting. What do you want to see in these upcoming serious compacts? Let us know in the thread over in the SeriousCompacts.com discussion forum on Flickr.

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