So here is round two of my attempt to generate a profile. I was not at work today, so I went with natural light - the vignetting model here is probably not so good and I did not enable it. If you want to try it out, here is a link to download it - 45kb file:
THis profile was shot at a single focus distance, 1m, at the following apertures:
2.8, 4, 5.6, 8, 11, 16, 22 (i.e., one stop increments)
THere were nine images shot per aperture, as the user guide suggests.
Here is the center shot:
Here is the auto correction using the profile generated in the process, the 5D + the Canon EF 15mm full-frame fisheye - note that the original was obviously not shot square-on, hence the lack of perfectly rectangular target post-correction:
Here is the CS5 5dMkII + EF 15mm lens profile that ships with CS5:
Here is the DXO version, with the default DXO adjustments:
THe custom profile is closer to the DXO correction geometrically than the 5DMkII profile that ships with CS5, just from a visual inspection standpoint. Please feel free to copy the images to your computer and layer them and inspect the difference.
I will redo the profile in better lighting when I get a chance.
Here is the previous image corrected with this profile and tweaked with the Lens Correction sliders: