Use of white balance presets gives bad color on raw images from my Panasonic Lumix DMC-G3. Setting white balance with gray sources shifts green-magenta tint offscale toward magenta (plus 70 to 100 range). JPEG images do not have this problem.
OS X 10.6.8 and Aperture 3.2.4. Have other DMC-G3 users seen this problem? Could my camera raw support be faulty?
Aperture 3, Mac OS X (10.6.8), iMac limited to Aperture 3.2.4
Added information. Aperture's built-in white balance presets turn my DMC-G3 RAW into green photos. The green-magenta slider allows too little correction. I have to enter a bigger magenta number manually to reduce the green.
Why this color problem? Camera color probem? Raw support problem? Other?
Hard to say. I do see the same thing from some DMC-G3 RAW images downloaded off of PhotographyBlog.com, and I'm using Aperture 3.4.3 on OS X 10.8.2, so I don't think it's a problem with your installation.
You could send in feedback to Apple here, although no guarantees they'll get back to you.
Thanks Aye Es Oh. Yes, I see my same problem from a RAW image off of PhotograhyBlog.com. Since you see it too, it's not just my computer. This helps me with further search.
Any luck finding a solution? I have the same problem. When White Balance is set on Temperature & Tint, the Tint slider is maxed out in the 70-90 range and the colors look off compared to the JPEG. Is this just the nature of RAW files, or a problem with Aperture's handling of Lumix DMC-G3 RAW files?
Colors from the RAW file do look different from the JPEG. RAW colors depend on which RAW processor and what settings (or white balance steps) were used. Regardless of the Aperture steps I use, the result is not a complete match to the JPEG. And I don't really expect it to be a complete match. This is also true using SILKYPIX as the RAW processor.
I found no solution to Aperture's G3 Temperature & Tint problem. SILKYPIX also needs extra magenta tint on G3 RAW images, but it is not offscale. I've done no more, since my old iMac is too slow to use the RAW images.
See more about RAW conversion in this link to DP Review:
Aperture white balance preset problem (raw from Lumix DMC-G3)
