Illustrated Media Format Guides

Omnimax

AKA
IMAX Dome
Era
1976–
Format
analog
Developed by
IMAX Corporation
(Max) Capacity
1.43:1
Size
70mm (horizontal)
Perforations
15 horizontal
Frame size picture area
2.740x1.980"
Fun facts
  • This format requires a custom rounded dome theater, mostly used in planetariums
  • This format's lens was optically centered above the film's horizontal center line
  • This format records with a rounded "fisheye" lens to fit the rounded projection dome