Focal length: Revision history

Filter revisionsshowhide

To date:

Tag filter:

Invert selection

External tools:

For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

curprev 14:3614:36, 3 April 2024‎ Sbb talk contribs‎ 18,904 bytes +262‎ →‎General optical systems: clean up cites; {{math}}/{{mvar}} for inline maths consistent with block formulas; <math display="block"> instead of colon-indent math block; cleaned up some blue links undo Tag: 2017 wikitext editor

curprev 13:5413:54, 24 December 2023‎ Deltaspace42 talk contribs‎ m 18,642 bytes +393‎ Reverted 1 edit by 82.39.24.39 (talk) to last revision by HeyElliott undo Tags: Twinkle Undo
curprev 13:4013:40, 24 December 2023‎ 82.39.24.39 talk‎ 18,249 bytes −393‎ om and I have been working on the same for the last three weeks months 47474 and so been waiting for undo Tags: Reverted Mobile edit Mobile web edit

curprev 05:5405:54, 12 December 2023‎ HeyElliott talk contribs‎ 18,642 bytes 0‎ WP:LQ undo Tag: 2017 wikitext editor

curprev 08:2708:27, 27 October 2023‎ Spidermario talk contribs‎ 18,642 bytes +47‎ Disambiguate undo

curprev 01:1701:17, 24 October 2023‎ Fgnievinski talk contribs‎ 18,595 bytes +32‎ added Category:Optical quantities using HotCat undo

curprev 10:0910:09, 18 September 2023‎ Blue Edits talk contribs‎ m 18,563 bytes −10‎ Reverted 1 edit by 217.165.142.96 (talk) to last revision by 139.184.223.195 undo Tags: Twinkle Undo
curprev 08:1708:17, 18 September 2023‎ 217.165.142.96 talk‎ 18,573 bytes +10‎ No edit summary undo Tags: Reverted Mobile edit Mobile web edit

curprev 09:5609:56, 20 July 2023‎ 139.184.223.195 talk‎ 18,563 bytes −18‎ Clarified definition of focal length of a divergent lens in 'Thin Lens Approximation' Section undo Tag: Visual edit

curprev 21:1121:11, 4 July 2023‎ DanCherek talk contribs‎ 18,581 bytes −1‎ attribution: text in the previous edit was copied from Dioptre; see that page's history for full attribution (see WP:RIA for more information) undo
curprev 20:4620:46, 4 July 2023‎ Cmglee talk contribs‎ 18,582 bytes +1,353‎ →‎In photography: Add optical power section undo

curprev 21:5721:57, 6 May 2023‎ HeyElliott talk contribs‎ m 17,229 bytes −20‎ MOS:NOTE undo Tag: 2017 wikitext editor

curprev 23:1023:10, 20 March 2023‎ 24.35.90.42 talk‎ 17,249 bytes −3‎ Corrected the conversion from FOV to focal length undo

curprev 23:4323:43, 11 March 2023‎ Srleffler talk contribs‎ 17,252 bytes +52‎ →‎General optical systems: Reorganize to better explain the different focal lengths and their purpose. undo

curprev 05:2105:21, 9 March 2023‎ WikiCleanerBot talk contribs‎ m 17,200 bytes −5‎ v2.05b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation) undo Tag: WPCleaner

curprev 08:3408:34, 4 March 2023‎ Srleffler talk contribs‎ 17,205 bytes +1,435‎ Rv myself for now. This edit is a mess, but I should be able to incorporate some of it rather than reverting it entirely. undo Tag: Manual revert
curprev 07:3407:34, 4 March 2023‎ Srleffler talk contribs‎ 15,770 bytes −1,435‎ Rv. The eye is a terrible example because of its complexity, and these changes turn a complicated subject into a confusing mess. undo Tags: Manual revert Reverted

curprev 19:2319:23, 3 March 2023‎ YesYes42 talk contribs‎ 17,205 bytes +379‎ Added figure for human eye. Primary example of lens system with distinct nodal point. undo Tag: Reverted
curprev 18:5318:53, 3 March 2023‎ YesYes42 talk contribs‎ 16,826 bytes +1,056‎ Definitions for focal length are ambiguous for a lens not in air, and a new peer-reviewed paper provides clarification. undo Tag: Reverted

curprev 11:1511:15, 9 January 2023‎ Dicklyon talk contribs‎ m 15,770 bytes −12‎ Reverted 1 edit by 120.29.97.70 (talk): Junk undo Tags: Twinkle Undo
curprev 09:4309:43, 9 January 2023‎ 120.29.97.70 talk‎ 15,782 bytes +12‎ No edit summary undo Tags: Reverted Mobile edit Mobile web edit

curprev 07:5007:50, 31 December 2022‎ JamesNWT talk contribs‎ m 15,770 bytes +44‎ Undid revision 1130653184 by JamesNWT (talk) undo Tag: Undo
curprev 07:4707:47, 31 December 2022‎ JamesNWT talk contribs‎ m 15,726 bytes −44‎ Fixed a bit of confusing wording. A film plane IS an image plane, but image plane would be the more general term and is used dominantly throughout the rest of the article. undo Tags: Manual revert Reverted Visual edit

curprev 18:0418:04, 30 October 2022‎ Pyrrhonist05 talk contribs‎ 15,770 bytes +44‎ →‎In photography: The image plane was confused with the plane at which the sensor or film is situated; for a given distance between imaged object and lens, the distance between the lens and the image plane can't be changed. It is the distance between the lens and sensor that we change. undo Tag: Reverted
curprev 17:4317:43, 30 October 2022‎ Pyrrhonist05 talk contribs‎ 15,726 bytes +23‎ →‎In photography: Clarification undo
curprev 17:3517:35, 30 October 2022‎ Pyrrhonist05 talk contribs‎ 15,703 bytes −4‎ →‎In photography: Nodal points were confused with principal points. The terms "principal point" and "principal plane" could both apply here; I chose "principal plane" because I feel the distance between two parallel planes is less ambiguous than the distance between a point and a plane. undo

curprev 15:5115:51, 30 August 2022‎ Blaze Wolf talk contribs‎ m 15,707 bytes −227‎ Reverted edits by 2403:3800:3204:44D9:A13D:24BA:F691:F0E2 (talk) to last revision by OlliverWithDoubleL: nonconstructive edits undo Tags: Rollback SWViewer [1.4]
curprev 15:5015:50, 30 August 2022‎ 2403:3800:3204:44d9:a13d:24ba:f691:f0e2 talk‎ 15,934 bytes +227‎ No edit summary undo Tags: Reverted Visual edit

curprev 05:2305:23, 29 March 2022‎ OlliverWithDoubleL talk contribs‎ m 15,707 bytes +7‎ No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

curprev 11:2511:25, 29 January 2022‎ Mako001 talk contribs‎ m 15,700 bytes +179‎ Reverted edits by 2409:4042:2818:CE0C:C547:6632:B639:D77A (talk) to last revision by Mako001: nonconstructive edits undo Tags: Rollback SWViewer [1.4]
curprev 11:2511:25, 29 January 2022‎ 2409:4042:2818:ce0c:c547:6632:b639:d77a talk‎ 15,521 bytes −179‎ No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit
curprev 11:2211:22, 29 January 2022‎ Mako001 talk contribs‎ m 15,700 bytes +127‎ Reverted edits by 2409:4042:2818:CE0C:1D50:EC10:C83A:9FCB (talk) to last revision by EthanGaming7640: unexplained content removal undo Tags: Rollback SWViewer [1.4]
curprev 11:2111:21, 29 January 2022‎ 2409:4042:2818:ce0c:1d50:ec10:c83a:9fcb talk‎ 15,573 bytes −127‎ No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit

curprev 21:5821:58, 16 December 2021‎ EthanGaming7640 talk contribs‎ 15,700 bytes −20‎ Reverting edit(s) by 148.252.132.203 (talk) to rev. 1054357513 by Misiuji100: Disruptive editing (RW 16.1) undo Tags: RW Undo
curprev 21:5721:57, 16 December 2021‎ 148.252.132.203 talk‎ 15,720 bytes +20‎ No edit summary undo Tags: Reverted Mobile edit Mobile web edit

curprev 15:3915:39, 9 November 2021‎ Misiuji100 talk contribs‎ m 15,700 bytes +2‎ →‎In photography: fixed closing bracket on first single image undo Tag: Visual edit

curprev 16:4816:48, 7 November 2021‎ Srleffler talk contribs‎ 15,698 bytes −121‎ →‎In photography: Rm clarify tag. It's clear enough if you look at it closely, and in any event it's as clear as it's going to get unless someone makes an entirely new image. E is not actually symmetric in the font used. e is also inverted. I is not inverted. undo

curprev 06:5506:55, 3 November 2021‎ AnomieBOT talk contribs‎ m 15,819 bytes +19‎ Dating maintenance tags: {{More citations}} undo
curprev 06:3406:34, 3 November 2021‎ Neonorange talk contribs‎ 15,800 bytes +18‎ more citations needed per WP:V undo
curprev 06:3006:30, 3 November 2021‎ AnomieBOT talk contribs‎ m 15,782 bytes +19‎ Dating maintenance tags: {{Clarify}} undo
curprev 06:1006:10, 3 November 2021‎ Neonorange talk contribs‎ 15,763 bytes +100‎ →‎In photography: added clarify tag with reason=E and I are symmetrical to inversion so not a good example for inverted image undo

curprev 14:4814:48, 5 July 2021‎ Srleffler talk contribs‎ m 15,663 bytes +538‎ Reverted edits by 2406:B400:D5:C20A:DCB4:D8A:6453:F155 (talk) to last version by Tom.Reding undo Tag: Rollback
curprev 04:4704:47, 5 July 2021‎ 2406:b400:d5:c20a:dcb4:d8a:6453:f155 talk‎ 15,125 bytes −538‎ →‎In photography undo Tags: Reverted Visual edit

curprev 17:2317:23, 21 May 2021‎ Tom.Reding talk contribs‎ m 15,663 bytes +21‎ +{{Authority control}} (2 IDs from Wikidata), WP:GenFixes on undo Tag: AWB

curprev 17:1217:12, 18 March 2021‎ 141.195.4.17 talk‎ 15,642 bytes −1‎ Fixed comma splice undo Tags: Mobile edit Mobile web edit
curprev 17:1117:11, 18 March 2021‎ 141.195.4.17 talk‎ 15,643 bytes −1‎ →‎Thin lens approximation: Fixed comma splice undo Tags: Mobile edit Mobile web edit

curprev 19:2819:28, 21 January 2021‎ 70.90.36.225 talk‎ 15,644 bytes 0‎ Undid revision 1001867242 by 70.90.36.225 (talk) undo Tag: Undo
curprev 19:2619:26, 21 January 2021‎ 70.90.36.225 talk‎ 15,644 bytes 0‎ No edit summary undo Tag: Reverted

curprev 09:1409:14, 5 December 2020‎ A loose necktie talk contribs‎ m 15,644 bytes 0‎ Fixed image size undo

curprev 09:5109:51, 7 November 2020‎ Maxeto0910 talk contribs‎ 15,644 bytes +86‎ Added short description. undo Tags: Mobile edit Mobile web edit Advanced mobile edit

3 April 2024

24 December 2023

12 December 2023

27 October 2023

24 October 2023

18 September 2023

20 July 2023

4 July 2023

6 May 2023

20 March 2023

11 March 2023

9 March 2023

4 March 2023

3 March 2023

9 January 2023

31 December 2022

30 October 2022

30 August 2022

29 March 2022

29 January 2022

16 December 2021

9 November 2021

7 November 2021

3 November 2021

5 July 2021

21 May 2021

18 March 2021

21 January 2021

5 December 2020

7 November 2020