Canon Digital Lens Optimizer (DLO)

Started May 12, 2013 | Discussions thread
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Re: DLO only available with RAW via DPP.
In reply to meland, May 13, 2013

meland wrote:

MisterPootieCat wrote:

meland wrote:

MisterPootieCat wrote:

Only available with full sized RAW files from supported bodies and lenses. DxO Pro does the same thing but has a much larger database of lenses and bodies, and it will work with JPEG images.

I'm not sure DXO is advanced as DPP in this respect.  Most correction systems such as LR and PP only use a general lens correction. Only Canon has access to the mathematical models it used in creating its lenses originally and therefore the ability to use that data in designing the software to correct aberrations for each lens at each focal length (including for zooms) and aperture.

Not true. DxO physically tests every camera body and lens combination when producing the lens modules. Their database covers considerably more bodies and lenses but Canon is adding lenses with each new version of DPP. Even the original Digital Rebel and the original kit lens are in the DxO database. And it works with JPEG, Canon's DLO does not.

Despite this do you think that DXO knows as much about lens design as Canon and knows how to correct the specific aberrations, or has access to Canon's design models to be able to do so?

I think the DLO module does a great job, assuming you meet all the prerequisites (Full RAW and supported hardware). The list of supported lenses is getting better, and lens/TC combinations were just recently added.

If DxO takes a lens and a body in to a test lab then I think the result would be probably as good or maybe even better. How do we know what steps Canon takes to create the DLO lens modules? Is it based on actual testing of the various lenses or "mathematical models"?

I'm not trying to convince anyone to buy DxO Pro, I've used it off and on over the years but was always put off by instability problems. Maybe the newer version has addressed this issue?

Lens aberration correction isn't new, but I'm pleased to see Canon offering it with DPP now. I use DPP for roughly 98% of my editing.

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