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Thread: Camera scanner back question/suggestion

  1. #1

    Join Date
    Feb 2013
    Posts
    3

    Camera scanner back question/suggestion

    I've been reading all the material on the web about using a flatbed scanner as back and one of the problems with using these is that the light inside is annoying to hack away since it's used for calibration (either you have to cover it at an opportune moment or trick/hack the drivers to remove cal).

    Has anyone tried or know of anyone who's tried a scanner which supports film/negatives, and presumably uses the "backlight" for calibration and such? Since in the cameras the light from the image would emulate such a backlight, calibration should be much simpler.

    Thanks.

    edit:
    Sorry, I posted in this DIY forum since the last thread I can find about this was here, but I see that "Digital HW" might be more appropriate, so I put the question there, too. Mods please remove from either if inappropriate.

  2. #2

    Join Date
    Jun 2008
    Location
    Avalon, Sydney
    Posts
    42

    Re: Camera scanner back question/suggestion

    IIRC there's a long and detailed post in LFF about this very subject, it explains the necessity of the reflective light as it forms the first part of the calibration routine, otherwise without it the CCD gain is boosted too high and you get noise.

    please don't take this as gospel as I didn't read the entire thread carefully

    peace out

    Glenn

  3. #3

    Join Date
    Feb 2013
    Posts
    3

    Re: Camera scanner back question/suggestion

    LFF? Do you have link or remember keywords to search for it?

  4. #4

    Join Date
    Jun 2008
    Location
    Avalon, Sydney
    Posts
    42

    Re: Camera scanner back question/suggestion

    LFF = large format forum

    http://www.largeformatphotography.in...t=scanner+back

    It's on the second page of this thread

    peace out

    Glenn

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