User contributions for Paul1513
A user with 334 edits. Account created on 18 January 2006.
25 January 2012
- 20:1920:19, 25 January 2012 diff hist +16 m Camera lens →The earliest photographic camera lenses: an overall positive meniscus lens is not the same as an overall negative meniscus lens
- 20:1220:12, 25 January 2012 diff hist −1 m Focal-plane shutter →The single-curtain focal-plane shutter: correct one word
24 January 2012
- 15:4215:42, 24 January 2012 diff hist +1 m Camera lens →The earliest photographic camera lenses: technical vocabulary word correction
- 15:3815:38, 24 January 2012 diff hist +870 Focal-plane shutter →The single-curtain focal-plane shutter: Graflex/Graphic as examples
- 15:3215:32, 24 January 2012 diff hist −17 m Focal-plane shutter →The Square-type metal-bladed focal-plane shutter: detail correction
3 January 2012
- 18:5518:55, 3 January 2012 diff hist +889 Camera lens →The earliest photographic camera lenses: added Giroux camera w/Achromat - first production photographic camera
10 November 2011
- 21:4921:49, 10 November 2011 diff hist +1,200 History of the single-lens reflex camera →21st century: added Sony α33 and α55
- 21:4221:42, 10 November 2011 diff hist 0 History of the single-lens reflex camera →1970s: minor correction
- 21:3921:39, 10 November 2011 diff hist +43 History of the single-lens reflex camera →1930s: clarification
- 21:3621:36, 10 November 2011 diff hist +402 History of the single-lens reflex camera →19th century: correction
9 November 2011
- 17:1217:12, 9 November 2011 diff hist +886 Focal-plane shutter →The focal-plane shutter today: electronic scanning replacing mechanical FP shutters?
- 17:0917:09, 9 November 2011 diff hist +34 Focal-plane shutter →The quest for higher speed: clarification
- 17:0617:06, 9 November 2011 diff hist +670 Focal-plane shutter →The Square-type metal-bladed focal-plane shutter: clarification
- 17:0217:02, 9 November 2011 diff hist +449 Focal-plane shutter →The Leica-type dual-curtain focal-plane shutter: clarification
- 16:5816:58, 9 November 2011 diff hist +34 Focal-plane shutter →The single-curtain focal-plane shutter: clarification
4 August 2011
- 16:3516:35, 4 August 2011 diff hist 0 m Camera lens →The retrofocus wide angle lens: corrected Biogon caption
- 16:3416:34, 4 August 2011 diff hist 0 m Camera lens →The retrofocus wide angle lens: corrected Biogon f-stop number, prettier diagram
28 June 2011
- 18:0518:05, 28 June 2011 diff hist +588 History of the single-lens reflex camera →Early 20th century: added Stereo Graflex
- 17:4217:42, 28 June 2011 diff hist −7 m Focal-plane shutter →The Square-type metal-bladed focal-plane shutter: update wording
- 17:3517:35, 28 June 2011 diff hist +4 m Focal-plane shutter →The single-curtain focal-plane shutter: typo
- 17:3417:34, 28 June 2011 diff hist +851 Focal-plane shutter →The electronically controlled focal-plane shutter: clarification, date fix
- 17:2817:28, 28 June 2011 diff hist −118 Focal-plane shutter →The single-curtain focal-plane shutter: correction
11 January 2011
- 19:2819:28, 11 January 2011 diff hist +2,046 User talk:Paul1513 →More Camera lens
10 January 2011
- 19:1519:15, 10 January 2011 diff hist +5,295 Talk:Camera lens No edit summary
3 January 2011
- 19:3019:30, 3 January 2011 diff hist +15 m Talk:Camera lens →Too many diagrams
- 19:2019:20, 3 January 2011 diff hist +6,923 Talk:Camera lens →Too many diagrams
23 December 2010
- 20:0220:02, 23 December 2010 diff hist +896 Talk:Camera lens →Too many diagrams
22 November 2010
- 20:0820:08, 22 November 2010 diff hist +1 m Camera lens →History and technical development of photographic camera lenses: diagram tweaks
16 November 2010
- 20:0220:02, 16 November 2010 diff hist +12,110 Camera lens →History and technical development of photographic camera lenses: added autofocus, stabilized, diffractive and digital lens. Done!
- 19:5119:51, 16 November 2010 diff hist +8,316 Camera lens →History and technical development of photographic camera lenses: added inexpensive asphere, zoom as dominant; almost done.
15 November 2010
- 20:4520:45, 15 November 2010 diff hist +9,433 Camera lens →History and technical development of photographic camera lenses: added zoom influenced prime, bokeh and standards of quality; more coming.
- 20:1420:14, 15 November 2010 diff hist +12,014 Camera lens →History and technical development of photographic camera lenses: added CAT lens and mature zoom; more coming.
12 November 2010
- 20:1420:14, 12 November 2010 diff hist +9,427 Camera lens →History and technical development of photographic camera lenses: added first zoom and Japanese lenses; more to come.
11 November 2010
- 20:1920:19, 11 November 2010 diff hist +7,084 Camera lens →History and technical development of photographic camera lenses: added macro and supplementary lenses; about halfway done.
- 20:0120:01, 11 November 2010 diff hist +6,040 Camera lens →History and technical development of photographic camera lenses: added retrofocus and fisheye lenses; about halfway done.
10 November 2010
- 20:4020:40, 10 November 2010 diff hist +16,533 Camera lens →History and technical development of photographic camera lenses: added Double Gauss and antireflecting coating; almost halfway done.
- 20:1620:16, 10 November 2010 diff hist +4 Camera lens →The Cooke triplet: Yes, Cooke Triplet is a proper name; there are other triplet formulae.
9 November 2010
- 20:4620:46, 9 November 2010 diff hist +5,825 Camera lens →History and technical development of photographic camera lenses: added Tessar, Ernostar and Sonnar; much more coming.
- 20:3020:30, 9 November 2010 diff hist +4,957 Camera lens →History and technical development of photographic camera lenses: added Protar and Cooke Triplet; much more coming.
- 20:1820:18, 9 November 2010 diff hist +6,482 Camera lens →History and technical development of photographic camera lenses: added aperture stops and first telephotos; much more coming.
8 November 2010
- 20:5620:56, 8 November 2010 diff hist +4,944 Camera lens →History and Technical Development of Photographic Camera Lenses: added Globe, Rapid Rectilinear and Aplanat; much more to come.
- 20:4720:47, 8 November 2010 diff hist +2,906 Camera lens →History and Technical Development of Photographic Camera Lenses: added Petzval Portrait; much more to come
- 20:4220:42, 8 November 2010 diff hist +5,124 Camera lens Began new History & Tech Dev section; much more to come.
2 August 2010
- 15:5315:53, 2 August 2010 diff hist −9 m Focal-plane shutter →The electronically controlled focal-plane shutter: Yashica FR I (1978) not quartz timed; Yashica FX-D Quartz came out 1981
1 April 2010
- 18:4418:44, 1 April 2010 diff hist −23 m History of the single-lens reflex camera →1980s: footnote fix
- 18:1318:13, 1 April 2010 diff hist +3,597 History of the single-lens reflex camera →Chronology: date fix, clarifications
25 March 2010
- 19:3919:39, 25 March 2010 diff hist +1,906 Talk:Pentax K1000 durability vs reliability
- 19:3519:35, 25 March 2010 diff hist +12 m Pentax K1000 durability is not the same as reliability; see Discussion
27 January 2010
- 18:1318:13, 27 January 2010 diff hist +41 m History of the single-lens reflex camera →1950s: date fix w/re-order
7 December 2009
- 20:5120:51, 7 December 2009 diff hist +28 m History of the single-lens reflex camera →Chronology: typos, links, tweaks
