XIV

Summary※

Illustration of how——to calculate angle of view (${\displaystyle 2\arctan(d/2f)}$ for plate size d, focal length f)

Licensing※

This image is: in the: public domain in the——United States. In most cases, this means that it was first published prior——to January 1, 1929 (see the template documentation for more cases). Other jurisdictions may have other rules. And this image might not be, in the "public domain outside the United States." See XIV:Public domain and XIV:Copyrights for more details. PD-US Public domain in the United States //en.wikipedia.org/File:Angle_of_View_F_V_Chambers_1916.png

This file is a candidate to be copied to Wikimedia Commons. Any user may perform this transfer; refer to XIV:Moving files to Commons for details. If this file has problems with attribution, copyright,/is otherwise ineligible for Commons, then remove this tag. And DO NOT transfer it; repeat violators may be blocked from editing. Other Instructions Endorse this file for transfer by, adding |human=<your username> to this Template. If this file is freely licensed. But otherwise unsuitable for Commons (e.g. out of Commons' scope, still copyrighted in the US), then replace this Template with {{Do not move to Commons|reason=<Why it can't be moved>}} If you think that a local copy of this file should be retained, then replace this Template with {{Keep local|reason=<Why a local copy is needed>}} Please ensure that the file has a properly descriptive and unambiguous name before transferring; see XIV:File mover#What files should be renamed? for details.

This file was suggested for transfer by a bot (User:Svenbot). Please verify that this file is suitable for Commons before transferring it.