140

Canon EF wide-angle lens - 20 mm

Mfg. Part: 2509A003 | CDW Part: 434860 | UNSPSC: 45121603
$614.99Advertised Price
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  • Wide-angle lens
  • 20 mm
  • f/2.8 USM
  • Canon EF
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Product Overview
Main Features
  • Wide-angle lens
  • 20 mm
  • f/2.8 USM
  • Canon EF
72mm filter diameter This ultra-wide-angle lens is ideal for serious applications. It is easy to hold and carry at 14.3 oz. (405g). It features floating rear focusing system. Sharp images are obtained at all subject distances.
Technical Specifications
Specifications are provided by the manufacturer. Refer to the manufacturer for an explanation of the print speed and other ratings.
Dimensions & Weight
Diameter: 3.1 in
Length: 2.8 in
Weight: 14.28 oz

Header
Brand: Canon
Manufacturer: Canon
Packaged Quantity: 1
Product Line: Canon EF

Lens System
Diaphragm Blades: 5
Element Qty: 11
Features: Floating system , Full-time manual focusing , Internal focusing system , Rear focusing system , Ultrasonic Motor (USM)
Filter Size: 72 mm
Focus Adjustment: Automatic , Manual
Group Qty: 9
Intended For: Digital SLR
Lens Aperture: F/2.8
Max View Angle: 94 degrees
Min Focal Length: 20 mm
Min Focus Distance: 9.8 in
Series: USM
Special Functions: Wide angle
System Type: Lens
Type: Wide-angle lens

Lens System Mounting
Mounting Type: Canon EF

Miscellaneous
Included Accessories: dust cap , lens cap

Optical System
Magnification: 0.14

Miscellaneous (CDW)
Compatible With:
Canon EOS 1000D
Canon EOS 1D
Canon EOS 1D Mark II
Canon EOS 1D Mark II N
Canon EOS 1D Mark III
Canon EOS 1D Mark IV
Canon EOS 1Ds
Canon EOS 1Ds Mark II
Canon EOS 1Ds Mark III
Canon EOS 20D
Canon EOS 20Da
Canon EOS 300D
Canon EOS 30D
Canon EOS 350D
Canon EOS 400D
Canon EOS 40D
Canon EOS 450D
Canon EOS 500D
Canon EOS 50D
Canon EOS 5D
Canon EOS 5D Mark II
Canon EOS 7D
Canon EOS Digital Rebel
Canon EOS Digital Rebel XT
Canon EOS Digital Rebel XTi
Canon EOS Kiss Digital
Canon EOS Kiss Digital N
Canon EOS Kiss Digital X
Canon EOS Kiss F
Canon EOS Kiss X2
Canon EOS Kiss X3
Canon EOS Rebel T1i
Canon EOS Rebel XS
Canon EOS Rebel XSi

Product Reviews
Rated 3.6 out of 5 by 14reviewers.
Rated 5 out of 5 by Perfect Real Estate Lens I played around with wide and ultra-wide lenses over the years. The best lens for a full frame camera that I have found is this 20mm lens. It seems to be wide without exhibiting extreme distortion. The nice part if the field curvature works well taking photos of small rooms. The plane of focus at the sides are closer than in the middle, thereby making the walls more in focus at each side of the frame.The sharpness is overkill for real estate photos. It is a shame that photographers do so much work to properly light the room, set the camera perfectly level on a tripod for maximum sharpness, and the listing services compress and soften the pictures on the web. Full screen photos on a large monitor are almost flawless! I am sure that the corners may be a bit soft in a 6 by 4 foot enlargement, but that isn't the way that real estate photos are shown.Focus is accurate, sharpness is wonderful (if you know how to use it), and f2.8 is fast enough for interiors without have to add tons of light.Here is a tip to photograph interiors: If you can replace the light bulbs (lamps) in each room's light fixtures, temporarily change the lamps to daylight LED lighting. I use 60, 75, and 100 watt equivalent lamps. You can also use supplemental lighting with some well placed strobes too. Remember to set your light balance to daylight. This helps when using a natural amount of HDR to show the view through windows in the room as your eye perceives it.if you shoot real estate photography and want to save yourself a bunch of time, get this lens! March 11, 2015
Rated 4 out of 5 by Good lens for serious amateur Short and simple. This lens is does exactly what I expected it to do - take great photos. One can get a balanced impression and make a judgment about this lens by reading all the reviews. It is made for the serious amateur, maybe not for the pro. I have owned my Canon 20mm for about three years, and have produced clear, sharp, award-winning photos. My interests are landscape contests and stock photos. I don't need to push my lenses like a pro. I use it with a 40D. August 29, 2014
Rated 5 out of 5 by Fast and Wide This is a very sharp lens. It quickly became my favorite for panoramic shoots and steadycam fly through. It allows for amazing flexibility because of its small size and fast aperture. August 25, 2014
Rated 5 out of 5 by nice lens I purchased this lens used (1 month old )and was a little cautious about it's value.Took some pictures and was very pleased.Having other wide angle Len's to compare with 24-105,24-85 and17-40 I can say this 20mm lens is as good or better tan most of the other lens.I like the build quality and how light it is and it is very sharp.My 5D mark 3 helps with it's lens correction. March 18, 2014
Rated 2 out of 5 by Skip it I've had this lens for several years. The images are soft at all apertures. There's a color cast. There's massive vignetting, though PIC removes it pretty well.You'd be better served to save your money for the 17-40 zoom. January 22, 2013
Rated 3 out of 5 by Not the best Images have a purple cast and are a little soft at all apertures. Save your money until you can buy the 17-40 instead, you'll get sharper images. January 2, 2013
Rated 4 out of 5 by A great lens! I've had the EF 20mm/2.8 for about four years. Can't be happier with it, except maybe I'd like a smaller, lighter version. You just can't have it all.The performance is very good. Edge sharpness, on film or digital full frame, shows some softness wide open, but it crisps up very well by f/4.0. Focusing is fast and exact.I keep a filter on mine always, no signs of additional vignetting caused by the addition of a full thickness filter. The front does not rotate - polarization filters are not a hassle. Corner darkening does exist, but also cleans up in the middle apertures.I like this lens, I shoot with it quite a bit. More than the medium length lenses, I tend to shoot wide mostly. I currently use two EF 28mm lenses (2.8 and 1.8), a EF 24mm-105mmL, and this EF 20mm/2.8 for my wide angle lenses. For bodies I've got an A2e and Rebel-Xs for film, and a 5d-mk ii and Rebel XTi for digital. I am an avid amateur, but do shoot the occasional wedding and products commercially.Wish all the Canon lenses came with their respective hoods! June 13, 2012
Rated 5 out of 5 by Panned by the press, So what? Have had this lens since the mid 1990's when the street price was high. Yes there is corner falloff and vignetting in a 5D MKll, so what shoot around those limitations and you have one fine lens. Stacking filters is not a good idea. I get tack sharp results very fast autofocus, great low light performance and you can stick it in someones face and get a nice shot that isn't so exagerated that it looks comic book. Takes great close ups with great depth of field. I recommend that anyone who has difficulty first try the autofocus lens compensation on the 5DMKll and see if that helps. I have used this on three other APS Canons also several film EOS's(remember film) with equally nice results You also may want to use the 10-22 ES for even better results.. February 9, 2012
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