Sony RX10 RAW file size varies wide to telephoto

PhaseoneUser24382

• August 15, 2015 08:11

The RAW files from my sony RX10 is smaller at the telephoto end than the wide in Capture One Pro8. This is not the case with the jpegs and doesn't happen with Adobe Raw Convertor or in Capture One Pro8 with the RX100
File size at wide setting 18.24 x 12.16in 5472 x 3648px 57MB
File size at Tele setting 16.79 x 11.19in 5037 x 3358px 48MB

Anyone else noticed this or know a solution

David

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  PhaseoneUser55657

  • August 15, 2015 12:55

  My first guess is that you are seeing the CO8 lens correction and cropping come into effect. CO8 applies lens correction by default where others do not.
  
  If you go to the lens tab, and look/play around in the "Lens Correction" section.
  
  Robert

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  PhaseoneUser24382

  • August 15, 2015 13:12

  Thanks that's was the issue. It now using manufacturer profile not RX10

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  SFA

  • August 15, 2015 13:43

  Forgetting the file size differences for a moment, which of the lens correction options, in your opinion, gives the best image quality results?
  
  (Viewed at 100% and with the same edits applied to each. Edit one image, create a variant, change the Lens Correction setting and compare them side by side).
  
  
  
  Grant

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  Permanently deleted user

  • August 15, 2015 21:30

  Owning a RX10 myself since 12/2013, shooting almost exclusively RAW and processing in C1Pro I'm a bit surprised by the original post because I've never noticed such a change in size. Even with the default lens corrections over the zoom range applied I've always noticed an output pixel size according to the camera's default. When entering the crop tool though the actual image size could be some pixels bigger. This effect (or processing) is much more noticeable on the RX100 (Mark I in my case) where the "recorded image" at the wide end is actually visibly bigger than the default crop/distortion corrected 28mm eq. FOV full size output. So one is able to extract an image of perhaps 26-27mm eq. FOV out of the data if needed.

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