Pan and scan is a way to adapt a widescreen film for a narrower screen: the transfer crops the sides of the image and can move the visible area across a shot to keep important action in view. It fills more of a squarer screen, but does not show the entire widescreen composition at once.
How pan and scan works
A widescreen film and a squarer television have different aspect ratios—their widths compared with their heights. To make the film fill more of the narrower screen, a pan-and-scan transfer selects a narrower portion of the original frame. The Library of Congress defines the method as formatting a widescreen film for video by selecting the part of the film frame to show to accommodate the different aspect ratios: Library of Congress glossary.
The selected area can shift from side to side during a shot. For example, if two people are speaking at opposite sides of a wide scene, the crop might first show one speaker and then move to the other. That movement can keep a subject visible, but the left and right edges of the original composition are not all visible at once.
Pan and scan vs. letterboxing
These methods make different trade-offs. Pan and scan crops the wide image to use more of a narrower screen; letterboxing keeps the full wide image in its original proportions and leaves unused screen space above and below it. The latter makes the displayed picture smaller on a narrower screen, but preserves the wider composition. Widescreen.org describes the contrast between a virtual 4:3 frame and letterboxing.
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| What you see | Pan and scan | Letterboxing |
|---|---|---|
| Visible image | A selected crop of the widescreen frame; its position may move during a shot. | The complete widescreen frame, kept in its original proportions. |
| On a narrower screen | The image fills more of the screen. | The image occupies less of the screen, with bars above and below. |
| Main trade-off | More screen fill, less of the original composition visible at once. | More of the original composition, less screen fill. |
Neither description alone tells you which version has better image quality. The choice described here is about framing and visible image area; quality depends on the particular transfer and display.
Why aspect ratios matter
Aspect ratio is the relationship between an image’s width and height. A wide theatrical frame cannot fit a narrower screen at the same time as filling it completely without cropping or changing the image’s proportions. Pan and scan chooses a crop; letterboxing preserves the proportions and accepts unused screen area.
The figures below are examples and reference values, not ratios shared by every film or television. The US National Archives lists the 1968 anamorphic film Bridge to Space at 2.35:1. Australia’s audio-visual heritage resource gives 1.85:1 as a US and UK widescreen standard for 35-mm film, and 16:9 (1.78:1) as the standard for widescreen and high-definition television. See the National Archives discussion of film aspect ratios and Australia’s audio-visual heritage resource on film aspect ratios.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why the technique was used—and what to expect now
Widescreen films and 4:3 televisions had different image shapes, so home-video and television versions needed a way to present a wide film on a narrower screen. Pan and scan filled more of the screen by choosing which part of the wider image to show. Modern widescreen televisions commonly use 16:9, making the old 4:3-versus-widescreen mismatch less central. That does not establish whether a particular current streaming service, broadcast, or release uses pan and scan; check the framing of the specific version.
A fullscreen presentation is not automatically pan and scan: a film may have been composed or released in a narrower aspect ratio. Also, pan and scan is not the same as open matte, a separate framing situation that can reveal image outside a theatrical matte.
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