PFtrack film back for Canon 60D

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  03 March 2016
PFtrack film back for Canon 60D

Hi everyone.
I ve been shooting a few videos for start in motiontracking with Pftrack. Im using a Canon 60D. Im shooting in 1080 25p PAL.

Im search for the correct film back, and my camera has a 22.3 × 14.9 mm sensor. When I try and enter this into PFTrack, it never lets me enter this ratio exactly. It always adjusts one value to be higher than it actually is by a few mm. ¿What is the solution? I see I can enter the exact film back changing the pixel ratio (somewhere like 0.84), but as far I know the pixel ratio of my camera is 1 and that solution seems to me like a botched job. ¿Are the numbers of film back changing when shoots video?

Another question is, I shoot with a 50mm prime lens on the camera, do I enter 50mm as the focal length? Does PFTrack calculate crop factor and compensate?

Thanks

Last edited by Kumicho : 03 March 2016 at 09:02 PM.
 
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