This module is utterly fantastic.
Canon's Chuck Westfall on DLO:
Quote:
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Originally Posted by Chuck Westfall
A new feature called Digital Lens Optimizer processes RAW images to achieve ideal optical characteristics for all types of optical aberration or diffraction, effects of a low-pass filter in front of a CMOS sensor, etc. This function improves image quality particularly in the image periphery in addition to the image center. This function is made possible because the entire design-through-manufacture process, for camera, CMOS sensor, EF lens, and DPP, is carried out entirely at Canon. Images are processed optimally using lens information in the image files (focal length, subject distance, and aperture) and lens data specially for the Digital Lens Optimizer. (However, the size of a .CR2 file will be two to three times larger after applying the Digital Lens Optimizer.) Adjustments are made for such aspects as spherical aberration, chromatic aberration, astigmatism, curvature of field, sagittal halo, chromatic aberration of magnification, axial chromatic aberration, diffraction, and the effects of a low-pass filter in front of the CMOS sensor. DPP’s Digital Lens Optimizer will be usable with any of 29 compatible lenses initially. It works with .CR2 files from EOS models released since 2006 (EOS 30D and forward).
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I used it on a sample image from the "lowly" 17-40mm f/4L USM lens that I took in New Zealand last September.
The shot was taken at 1/6s f/16 at 17.0mm iso100 and is a crop from the extreme right of the frame.
The image is otherwise as-is out of camera with no processing applied.
The image on the left is without DLO, and, on the right, after DLO has been run on it.
http://users.tpg.com.au/octane2/dlo.html
DPP is the bomb.
H