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  1. #81
    tomalophicon's Avatar
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    Feb 2010
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    How did they scan the infra-red film (and I'm too dumb to try to figure it out on my own)?

  2. #82

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    Feb 2006
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    Hawaii
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    Well, I had an idea it was IR. Now I am sure.

  3. #83

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    Nov 2005
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    It is indeed IR:

    We use 'presumably' the same system ( INTEC ) the computer map it produces is logged to the individual roll ticket with matching bar codes, and when the finishing department come to finish the roll they bring up the 'map'. As PE says on a film parent roll waste is between 7% and 10% including 'Patterning'. We finish each parent roll to only one format, as roll film and sheet film are on different film bases.

    Simon. ILFORD Photo / HARMAN technology Limited :

  4. #84
    Photo Engineer's Avatar
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    There is long and short IR, as well as "windows" in the sensitivity of film. These can be used to allow scanning for defects. But, that difficulty with IR is one reason why IR film is so expensive.

    PE

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