Canon EF 20mm f/2.8 Wide-Angle USM Lens

Canon EF 20mm f/2.8 Wide-Angle USM Lens
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Focus on what matters with this Canon EF 20mm lens. Its wide-angle design captures clear, detailed images one after another, while a rear focusing system allows for quick, on-the-fly adjustments to help you grab just the picture you want every time. From Canon.

  • Includes EF 20mm lens, lens cap, and manual
  • 20mm focal length
  • f2.8 maximum aperture
  • 11 lens elements in nine groups
  • Rear focusing system with ultra-sonic monitor
  • Approximately 3/4' closest focusing distance
  • 72mm filter size
  • 94-degree diagonal angle of view
  • Measures approximately 2-3/4"L x 3-1/8"Diam
  • 1-year Limited Manufacturer's Warranty
  • Imported

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Reviews & Community QA

Canon EF 20mm f/2.8 Wide-Angle USM Lens is rated 3.6 out of 5 by 14.
Rated 5 out of 5 by from 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!
Date published: 2015-03-11
Rated 4 out of 5 by from 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.
Date published: 2014-08-30
Rated 5 out of 5 by from 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.
Date published: 2014-08-25
Rated 5 out of 5 by from 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.
Date published: 2014-03-18
Rated 2 out of 5 by from 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.
Date published: 2013-01-23
Rated 3 out of 5 by from 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.
Date published: 2013-01-02
Rated 4 out of 5 by from 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!
Date published: 2012-06-13
Rated 5 out of 5 by from 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..
Date published: 2012-02-09
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