Canon 20mm f2.8 USM is a Fixed aperture Auto Focus (AF) Ultra-Wideangle Prime
lens with 35mm FF max sensor coverage, and it is designed to be used with Canon EF mount cameras.
What type of photography is the Canon 20mm f2.8 USM lens good for?
The type of photography that you are planning to use the Canon 20mm f2.8 USM is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy Canon EF 20mm f2.8 USM Lens
Here, we've included a summary of the advantages and disadvantages of the Canon EF 20mm f2.8 USM lens in a list form to help you determine whether it offers the features you need.
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| Distance Scale
| DoF(Depth of Field) Scale
| Full-time Manual Focusing
| Covers Full-Frame Sensor
| Minimum focus distance of 0.25m / 9.8 inch
Buy Canon 20mm f2.8 USM from Amazon or B&H PHOTO
Canon 20mm f2.8 USM is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Canon 20mm f2.8 USM has a maximum diameter of 78mm and total length of 71mm. It weighs 405g / 14.3 oz.
Canon 20mm f2.8 USM has a filter thread of 72mm.
Canon 20mm f2.8 USM has a fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 32mm.
Optical Image Stabilization
Canon 20mm f2.8 USM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Canon 24mm f2.8 IS USM in Canon EF mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Canon 20mm f2.8 USM With Optical Image Stabilization
Maximum Magnification Ratio
Canon 20mm f2.8 USM has a Max Magnification Ratio of 0.14x and has a minimum focusing distance of 0.25m. 0.14x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Canon 20mm f2.8 USM has a max aperture of F2.8 and a minimum aperture of F22.0.
Canon 20mm f2.8 USM's optical formula consists of 11 elements in 9 groups .
Canon 20mm f2.8 USM doesn't come with a lens hood but there is an optional lens hood with a part code of EW-75II that you can order separately.
Canon 20mm f2.8 USM is available in Black color.
Popular Comparisons of Canon 20mm f2.8 USM
Here is the eight most popular comparisons of Canon 20mm f2.8 USM amongst Camera Decision readers.