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Focal Length & Maximum Aperture
Diagonal Angle of View
Closest Focusing Distance
Max. Diameter x Length, Weight
Compatible Supplies & Accessories
Canon offers a wide range of compatible supplies and accessories that can enhance your user experience with you EF 20mm f/2.8 USM that you can purchase direct. Scroll down to easily select items to add to your shopping cart for a faster, easier checkout. Visit the Canon Online Store
72mm Circular Polarizer PL-C
Polarizing filters enhance picture quality by blocking harmful reflected light. Use it to reduce light reflections from glass and water surfaces or to improve color saturation. Simple to use, these filters polarize light circularly, rather than linearly, so they do not interfere with autofocus or TTL light metering.
72mm Circular Polarizer PL-CB
Filter enhances picture quality by blocking harmful reflected light.
Extension Tube EF 12 II
Extension Tube EF 12 II is especially suited for close-focusing with wide-angle lenses.
Lens Cap E-72 II
The Lens Cap E-72II is newly designed and fits Canon EF lenses with a 72mm filter size. It helps protect the front glass from dust and scratches.
Lens Cap E-72U
Lens Case LP1214
Lens Dust Cap E Rear Cap
Rear lens cap for all EF type lenses, lens extenders, and extension tubes. Used to protect the rear glass element from dust and scratches.
Lens Hood EW-75II
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
A Modulation Transfer Function (MTF) chart measures a lens’ expected optical performance at the center of the picture area and measures repeatedly along the diagonal line, further and further toward the corners of the image. The higher a curve is shown on the chart, the better the lens is performing in the area the chart is measuring. As a curve moves from left to right, it displays the lens' results from center towards the corners.
For more information on understanding how to read Canon Lens MTF charts, please click here.
† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.