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2.39 1 aspect ratio calculator full#
2.39 1 aspect ratio calculator registration#

For films that have been released on DVD or Blu-Ray there is often a lot of information online about the "original" aspect ratio of the film.

Caveat: there is no "correct," historically - so contentious!.

See Inspection page for information on determining the year a print was struck.

Educated guesses based on year, studio, country, etc.

If the label is from the distributor or archive, don't remove it but make a note that the information is incorrect.

Do not always trust what's written on the can or on the print! If you receive a print that is incorrectly labeled by another venue or projectionists (and you are certain of it) make sure to correct it or remove the label.

Determining correct aspect ratios for widescreen, etc.

It's often best to look at the framing of the opening credits, or at a scene with subtitles.īe aware that there are always exceptions to any these rules.

You can do this first with at the light table, and then if possible by viewing some of the film on screen.

The second and complementary way is to look at a frame of the print and using the different aperture plates, try to eyeball which looks best.

The first way to determine the aspect ratio is to find out when the film was made and using your knowledge of film history, assign its aspect ratio.

See Inspection for more details on the process. Determining aspect ratio is one of the reasons that prints should be inspected before being run. Other small gauges are rarely anything but their native aspect ratios.

2.39 1 aspect ratio calculator full#

16mm is rarely anything but full frame (though there are variations - see 16mm page). These are referred to as MagOptical prints.ĭetermining 35mm aspect ratios for projectionįor some film gauges, the aspect ratio will be obvious. Some prints were released with an additional optical track that was half the width of a standard optical track. The lateral alignment is slightly different that that of optical soundtrack formats.

2.39 1 aspect ratio calculator registration#

Prints in this format can only be run on projectors with CinemaScope (CS) sprockets, and should only be repaired with splicers that have smaller CS registration pins. To accommodate the magnetic tracks, the perforations were narrowed. The original CinemaScope format, printed with 4-track magnetic sound. Originally released in 2.35, the aspect ratio was later changed to 2.39:1, shortening the printed image area to better hide negative splices. The aspect ratio for CinemaScope films with an optical soundtrack. The image is centered on the full 1.33 frame, so it lacks the horizontal offset of other optical sound formats and the lateral alignment must be adjusted for projection. Warning: widescreen formats may be soft-matted.Ī short-lived anamorphic that employed the same 2:1 anamorphic squeeze as CinemaScope, but utilized a narrower portion of frame. Films printed in 1.78 may be scaled down to fit in the 1.85 image area with pillarboxing. Warning: widescreen formats may be soft-matted.Įarly widescreen format used by MGM, Warner Brothers, and Disney. Projected with a 1.85 lens and aperture plate, these prints are often rereleases of films made in traditional 1.37 that will be shown in wide release at theaters not outfitted with 1.37 lenses.Ĭommonly used in Europe to provide additional height for subtitles. See also: List of 35mm features released in 1.37 after 1953. Was used well past 1953 in some countries outside of the US.

In auditoriums with fixed-height screens, 1.19 can be adequately presented by removing the anamorphic attachment from the spherical lens used for 2.39 and using that in conjunction with the 2.39 aperture plate. Often projected with 1.37 lenses and aperture plates in theaters without properly sized 1.19 lenses and plates however, doing this will chop off a substantial portion of the height of the image. Aspect ratios as they appear on a full-width screen.