3.3.2 Regular 8mm/Super 8mm Anamorphic (Motion Picture Formats - release prints intended for projection)
Description
This article is from the rec.arts.movies.tech FAQ, by Scott E. Norwood snorwood@nyx.nyx.net with numerous contributions by others.
3.3.2 Regular 8mm/Super 8mm Anamorphic (Motion Picture Formats - release prints intended for projection)
Many 8mm reduction prints of 35mm anamorphic original films are
printed in a 2:1 squeeze ratio, which retains the original side
framing, but crops off a small portion of the top and bottom of the
frame. The final aspect ratios are 2.66:1 and 2.68:1 for regular 8mm
and super 8mm, respectively. Projection of these films, obviously,
requires an anamorphic lens for the projector in order to `unsqueeze'
the image. These lenses are, unfortunately, difficult to find, and
often expensive, despite their less-than-perfect image quality.
regular 8mm release print frame: super 8mm release print frame: (note big perforations) (note small perforation) | | | | |s-------------- O | |s---------------- | |o| Small | | | |o| Larger | | |u| Image | | | |u| Image |o| <--- Smaller |n| Area | | | |n| Area | | Perforation |d-------------- O | |d---------------- | | | | | |<------ 8mm ----->| |<------ 8mm ----->|
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