I inquired of Kodak today about sheet film sizes and got an interesting
reply.
Aside from being 'proprietary' (!), there is a reference for how they come
up with the tolerances for various sizes
> Hello Murray,
>
> Thank you for contacting Kodak Professional.
>
>
>
> The exact sizes of sheet film are proprietary information;
> however, Kodak does conform to the ANSI standards listed below:
>
> --------------------------------------------------------
> |Nominal Size | Minimum | Aim | Maximum |
> | (Inches) | (Inches) | (Inches) | (Inches) |
> ---------------------------------------------------------
> | 4 x 5 | 3.91 x 4.91 | 3.92 x 4.92 | 3.94 x 4.94 |
> ---------------------------------------------------------
> | 8 x 10 | 7.91 x 9.92 | 7.94 x 9.95 | 7.97 x 9.98 |
> ---------------------------------------------------------
>
> For sizes not shown in the previous table, use this ANSI standard:
>
>
>
> +--------------------|---------------|---------------+
> | Nominal Size ("N") | Aim | Tolerances |
> | (Centimeters) | (Millimeters) | (Millimeters) |
> +----------------------------------------------------+
> | N < 12 | N - 1.5 | + 0.5 |
> +----------------------------------------------------+
> | 12 < N < 65 | N - 2.0 | + 1.0 |
> +----------------------------------------------------+
> | 65 < N | N - 2.5 | + 1.5 |
> +--------------------+---------------+---------------+
>
>
>
> http://www.kodak.com/go/professional
>
> If you should have any questions on Kodak products or services, please
> be sure to revisit our site as we are continually adding information to
> enhance our support. If you need further assistance you may also reach
> us at 1-800-242-2424 ext. 19 (Monday-Friday, 9am-7pm EST)
>
> Regards,
>
> Bruce H.
> KODAK Information and Technical Support
> KODAK Professional
>
>
>
>
>
> Original message follows:
> -------------------------
>
> Question: Hello:
>
> I am looking for standard dimensions for 4x5 and
> 5x7 film to make a fixture to cut down 5" roll
> film to fit 4x5 and 5x7 film holders.
>
> Thank you
>
> Category: Professional
> Subcategory: Black and White Films
> Referer:
> readableSubject: Black and White Films
> Name: Murray Leshner
> Email: [EMAIL PROTECTED]
> Country: US
> Phone:
> Address 1: 205 Columbia Ave
> Address 2:
> City: Holland
> State: MI
> Zip/Postal Code: 49423
> conf: /global/include/en/service/contact/contact.conf
>
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