Jump to content

Canon EF 20mm lens: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
Nebrot (talk | contribs)
m fixed link
m Cleaned up using AutoEd
Line 1: Line 1:
{{Infobox photographic lenses
{{Infobox photographic lenses
| name = Canon EF 20mm lens
| name = Canon EF 20mm lens
| image = Canon-20mm MG 2033.jpg
| image = Canon-20mm MG 2033.jpg
| maker = [[Canon (company)|Canon]]
| maker = [[Canon (company)|Canon]]
| feat-is = n
| feat-is = n
| feat-usm = y
| feat-usm = y
| feat-sbf = n
| feat-sbf = n
| feat-macro = n
| feat-macro = n
| feat-special =
| feat-special =
| type = [[Wide-angle lens|wide-angle prime lens]]
| type = [[Wide-angle lens|wide-angle prime lens]]
| application = interiors, reportage, general
| application = interiors, reportage, general
| flength = 20 mm
| flength = 20 mm
| fov = 1.0
| fov = 1.0
| aperture = {{f/}} 2.8 - {{f/}} 22
| aperture = {{f/}} 2.8 - {{f/}} 22
| groups = 9
| groups = 9
| elements = 11
| elements = 11
| diaphragm = 5
| diaphragm = 5
| close-dist = 0.25 m
| close-dist = 0.25 m
| max-mag = 0.14
| max-mag = 0.14
| weight = 405
| weight = 405
| max-diameter = 77.5
| max-diameter = 77.5
| max-length = 70.6
| max-length = 70.6
| filter = 72
| filter = 72
| hood =
| hood =
| av-horiz =
| av-horiz =
| av-vert =
| av-vert =
| av-diag =
| av-diag =
| start = June 1992
| start = June 1992
| msrp = 75,000 yen
| msrp = 75,000 yen
| category = Canon EF lenses
| category = Canon EF lenses
}}
}}


The [[Canon Inc.|Canon]] '''EF 20mm lens''' is an ultra-wide-angle [[prime lens]] featuring [[rear focusing]].


==External links==
The [[Canon Inc.|Canon]] '''EF 20mm lens''' is an ultra-wide-angle [[prime lens]] featuring [[rear focusing]].

== External links ==
* [http://www.canon.com/camera-museum/camera/lens/ef/data/ultra_wide/ef_20_28_usm.html Canon museum]
* [http://www.canon.com/camera-museum/camera/lens/ef/data/ultra_wide/ef_20_28_usm.html Canon museum]



Revision as of 03:22, 28 January 2010

Canon EF 20mm lens
MakerCanon
Technical data
Typewide-angle prime lens
Focal length20 mm
Crop factor1.0
Aperture (max/min)f/ 2.8 - f/ 22
Close focus distance0.25 m
Max. magnification0.14
Diaphragm blades5
Construction11 elements in 9 groups
Features
Short back focusNo No
Ultrasonic motorYes Yes
Lens-based stabilizationNo No
Macro capableNo No
Applicationinteriors, reportage, general
Physical
Max. length70.6
Diameter77.5
Weight405
Filter diameter72
History
IntroductionJune 1992
Retail info
MSRP75,000 yen USD

The Canon EF 20mm lens is an ultra-wide-angle prime lens featuring rear focusing.