• ganoo_slash_linux
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    2 years ago

    15/70 is the IMAX film format, using horizontal frames, 70 mm tall and 15 perforations across, in comparison to regular 70mm (large format) film which has much smaller frames turned vertically that are ~5 perforations tall.

    • CaptPretentious
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      2 years ago

      Thinking about it now, I probably should have guessed it given the context. Hindsight and all that. 😆