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70mm: Difference between revisions
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'''70mm''' is the largest standard exhibition [[film gauges|film gauge]]. | '''70mm''' is the largest standard exhibition [[film gauges|film gauge]]. | ||
*aspect ratios | *aspect ratios | ||
*sound | *[[Magnetic sound]] and noise reduction | ||
* | *[[DTS]] discs | ||
[[File:Degaussing.png|right|thumb|400px|Instructions on proper demagnetizing/degaussing of equipment.]] | [[File:Degaussing.png|right|thumb|400px|Instructions on proper demagnetizing/degaussing of equipment.]] | ||
*handling of mag prints/degaussing | *handling of mag prints/degaussing | ||
Revision as of 21:23, 25 May 2017
70mm is the largest standard exhibition film gauge.
- aspect ratios
- Magnetic sound and noise reduction
- DTS discs
- handling of mag prints/degaussing
IMAX
IMAX is a 70mm film format on which the image is printed horizontally, resulting in a much larger filmed image than conventional 70mm. It's often referred to as 15/70, 15 being the number of perforations in a single frame.
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A frame of IMAX film.
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5 perf 70mm
Related Articles
Resources
Images of Various Aspect Ratios and Sound Formats, 5/70mm
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Frames from a 70mm print of Aliens. Blow-up from 35mm, aspect ratio 1.85, magnetic audio track.
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Frames from a 70mm print of It's a Mad, Mad, Mad, Mad World. Aspect ratio is 2.76:1 (Ultra Panavision) with a DTS audio track.
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Frames from a 70mm print of 2001:A Space Odyssey. Aspect ratio 2.2:1 with magnetic audio track
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Alignment chart from a 70mm print of Inherent Vice. Blow-up from 35mm, aspect ratio 1.85
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Inspecting a 70mm print of West Side Story. Aspect ratio 2.2:1, DTS audio track
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Boston Light and Sound 5/70 test film on screen
