Projector Aperture

Some articles on aperture, projector aperture, projectors:

Anamorphic Format - 2.35, 2.39 or 2.40?
... Due to differences in the camera gate aperture and projection aperture mask sizes for anamorphic films, however, the image dimensions used for anamorphic film vary from flat (spherical ... issued in December 1957, standardized the projector aperture at 0.839 × 0.715 inch (21.3 × 18.2 mm) (aspect ratio 1.171) ... The aspect ratio for this aperture, after a 2x unsqueeze, is 2.3468…1 which rounded to the commonly used value 2.351 ...
Academy Ratio - History
... with fixed-size screens and stationary projectors ... to studio, the common attempt to reduce the image back to a 1.331 ratio by decreasing the projector aperture in-house met with conflicting results ... Various dimensions were submitted, and the projector aperture plate opening size of 0.825 in × 0.600 in was agreed upon ...

Famous quotes containing the word aperture:

    Animals used to provide a lowlife way to kill and get away with it, as they do still, but, more intriguingly, for some people they are an aperture through which wounds drain. The scapegoat of olden times, driven off for the bystanders’ sins, has become a tender thing, a running injury. There, running away ... is me: hurt it and you are hurting me.
    Edward Hoagland (b. 1932)