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  1. #1

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    Exact size of 13x18cm sheet film produced by Foma

    I´ve got a question about the size of Fomapan 13x18cm.

    Exact size is 128+/-1mm x 178+/-1mm

  2. #2
    Ian Grant's Avatar
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    All cut film sizes are nominal, they are based on the earlier glass plate sizes but are a fraction smaller, this was because originally they were used in plate holders with a thin metal adapter. There is an ISO standard for all film sizes.

    So Ilford 10x8 photographic paper wont fit in a 10x8 film holder unless you trim a couple of millimetres off the edges.

    A few years ago J&C in the US had Chinese film packaged for them, they failed to take the size difference into account and had many unhappy customers whose 5x4 film wouldn't fit there dark-slides.

    Ian

  3. #3

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    Yes. This is the measurements I´ve got from Foma factory. By the way. 5x7" is 125+/-1mm x 176+/-1mm.



 

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