Aspect ratio.

The ratio of height to width of a rectangle. Images with a wide aspect ratio are wider than they are tall. Images with a tall aspect ratio are taller than they are wide.

35mm film has an aspect ratio of 2:3. (24x36mm and sometimes called 1.5:1) Television usually has an aspect ratio of 4:3 (1.33:1) and some digital cameras use this aspect ratio as well. High definition television (HDTV) uses a ratio of 9:16 (1.78:1) , which is one of the aspect ratios supported by APS film.

cf. C format, landscape, H format, P format, panoramic, paper sizing, portrait.

Entry last updated 2002-04-04. Term 82 of 1487.

Previous term: ASIC.

Next term: aspherical.

 

This document is copyright © 2002-2008 NK Guy, PhotoNotes.org. This information is provided with neither warranties nor claims of accuracy or completeness of any sort. Use this information at your own risk. All trademarks mentioned herein belong to their respective owners.

You may copy and print this document for your own personal use. You may not, however, reprint or republish this work, in whole or in part, without prior permission from me, the author. Such republication includes inclusion of this work in other Web sites, Web pages, FTP archives, books, magazines or other periodicals, CD-ROM and DVD-ROM compilations or any other form of publication or distribution. Please do not frame this site within another.

Please send comments or error reports using the feedback form.