Illustrated Media Format Guides

Eidoloscope

AKA
Pantoptikon, Panoptikon
Era
1894–1900s
Format
analog
Developed by
Eugene Augustin Lauste & Woodville Latham (Lambda Company)
(Max) Capacity
1.85:1
Size
51mm
Perforations
4
Frame size picture area
37 x 20 mm
Fun facts
  • This was the first device to use the Latham loop, a method that allowed film strips to move quickly and gently through a projector
  • This device premiered in May of 1895, which is before the Lumière brothers debuted the Cinematograph
  • This was likely the first widescreen film format, with an aspect ratio of 1.85:1