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  2. List of photographic film formats - Wikipedia

    en.wikipedia.org/wiki/List_of_photographic_film...

    82.55 × 107.95 mm 108 for roll holder 1898 1929 4 + 1 ⁄ 4 × 3 + 1 ⁄ 4 in 107.95 × 82.55 mm 109 for roll holder 1898 1924 4 × 5 in 101.6 × 127 mm 110 (early roll film) for roll holder 1898 1929 5 × 4 in 127 × 101.6 mm No relation to the later 110 cartridge format. 110 ("Pocket Instamatic") cartridge 1972 Present [2] 13 × 17 mm

  3. 120 film - Wikipedia

    en.wikipedia.org/wiki/120_film

    A portrait of a dancer photographed in 6X9 format on 120 film Image shot on 120 film. The 120 film format is a roll film which is nominally between 60.7 mm and 61.7 mm wide. Most modern films made today are roughly 61 mm (2.4 inches) wide.

  4. Photo print sizes - Wikipedia

    en.wikipedia.org/wiki/Photo_print_sizes

    The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

  5. Book size - Wikipedia

    en.wikipedia.org/wiki/Book_size

    The following table is adapted from the scale of the American Library Association, [1] [9] which uses a basis sheet of 19-by-25-inch (483 by 635 mm) [10] which is, confusingly if not explained by the source, half the text/book stock sheet of 25-by-38-inch (635 by 965 mm), and in which size refers to the dimensions of the cover (trimmed pages ...

  6. Silvestri camera - Wikipedia

    en.wikipedia.org/wiki/Silvestri_camera

    The first camera, the SLV, was born with the 6X7 / 6X9 format, with a rotating back with click stop every 90 degrees and the lens, a Super Angulon 5,6/47 mm in focusing helical mount by Schneider, was not interchangeable. The shift mechanism permitted a total rise or fall of 25 mm, it consisted of a control knob and two counter-posed screws ...

  7. ISO 217 - Wikipedia

    en.wikipedia.org/wiki/ISO_217

    The sizes of the RA series are also slightly larger than corresponding inch-based US sizes specified in ANSI/ASME Y14.1, e.g. RA4 is roughly equivalent to 8 + 1 ⁄ 2 in × 12 in (220 mm × 300 mm) and ANSI A (alias US Letter) is defined as 8 + 1 ⁄ 2 in × 11 in (220 mm × 280 mm).

  8. Inch - Wikipedia

    en.wikipedia.org/wiki/Inch

    A fire hydrant marked as 3-inch. The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement.It is equal to ⁠ 1 / 36 ⁠ yard or ⁠ 1 / 12 ⁠ of a foot.

  9. Grammage - Wikipedia

    en.wikipedia.org/wiki/Grammage

    So, the 17-by-22-inch (432 by 559 mm) ream became commonly used. The 25-by-38-inch (635 by 965 mm) book-paper ream developed because such a size can easily be cut into sixteen 6-by-9-inch (152 by 229 mm) book sized sheets without significant waste (nominally 6 + 1 ⁄ 4-by-9 + 1 ⁄ 2-inch (159 by 241 mm) before trimming and binding).