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Canon S90 and Distortion

All in the Family

I recently picked up a new Canon S90 point and shoot so I would have a nice little compact camera to carry around with me when I’m feeling too lazy to lug the 40D around. It’s been a real blast to play around with. One of the small drawbacks of the camera is that its fast and tiny lens does have a fair bit of inherent distortion. The camera fixes this itself almost entirely in the JPEGs. However if you shoot RAW you were stuck with using Canon DPP. A recent release candidate of Adobe’s DNG converter and Lightroom resolved this by adding distortion correction.

After all this we were left with only a tiny amount of distortion that Canon DPP was able to correct in addition to it’s base RAW conversion correction. This resulted in “perfect” shots with zero distortion. This was something we did not have the option of in Lightroom even with the release candidate. Until now…

PTLens has been updated for the S90. It has RAW and “standard” correction. If you are using LR 2.5 or DNG 5.5 release use the RAW option. If you are using the release candidates then use the standard correction. I’ll never have to use DPP again!

For the image below I used DNG 5.6 RC to convert the CR2 to DNG. Then I did all my editing in LR 3.0 Beta. Once completed I did an external TIFF edit in PTLens to do the final distortion correction. Thrilled with the results! The sign being dead straight made me quite happy.

Oh, did I mention that PTLens is only 25 bucks? It’s got support for nearly every camera and Lens you could imagine.

http://epaperpress.com/ptlens/

Note that I am not affiliated with PTLens in any way. I just think it’s awesome!

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