Lens Specifications and Measurements
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| Specifications | Canon EF 20mm f/2.8 USM Lens |  |
| Focal Length Range | 20mm | |
| Angle of View: Diagonal | 94° | |
| Angle of View: Horizontal | 84° | |
| Angle of View: Vertical | 62° | |
| Lenses / Groups | 11/9 | |
| Aperture | ||
| Aperture Range - Wide / Long | f/2.8-22 | |
| Number of Aperture Blades | 5 | |
| Rounded Aperture? | ||
| Weight | ||
| Manufacturer Specification Weight | 14.3 oz | |
| Actual Weight | 13.9 oz | |
| Lens Hood Weight | 0.9 oz | |
| In-Use Weight | 14.8 oz | |
| Size | ||
| Manufacturer Spec Size (DxL) | 3.07 x 2.8” | |
| Measured Size (DxL) | 3.03 x 3.11” | |
| Max Length at Full Extension | 3.11” | |
| Internal Zoom? / Extends with Zoom? | N / N | |
| Internal Focusing? / Extends with Focusing? | Y / N | |
| Lens Hood Size (DxL) | 3.79 x 1.61” | |
| Lens Length with Hood (Min / Max) | 4.56 / 4.56” | |
| Size of Rings - Zoom / Focus | / 0.72” | |
| Filter Size | 72mm | |
| Front Element (Filter Mount) Rotates | N | |
| Features | ||
| Tripod Ring Included? / Removable? | N | |
| Zoom Ring Lock Switch? | N | |
| Lens Hood Model / Included? | EW-75II / N | |
| Weather Sealed? / Filter Required? | N | |
| Image Stabilization? / Stops? / Tripod Sensing? | N | |
| Case Included? / Type? | N / LP1214 | |
| Focus | ||
| AF Motor Type | Ring USM | |
| Full Time Manual Focus | Y | |
| Focus Limiter? / Focus Limiter Ranges | N | |
| Distance Info Provided to Camera? | Y | |
| Distance Scale? / Type | Y / Window | |
| Metal Mount? | Y | |
| Extender Compatible? | N | |
| Close Focus | ||
| Specified Min Focus Distance | 9.8” | |
| Tested Min Focus Distance (Wide / Long) | ||
| Maximum Magnification (MM) | .14x | |
| MM with 12mm Extension Tube | 0.72-0.6x | |
| MM with 25mm Extension Tube | n/ax | |
| MM with 250D Closeup Lens | ||
| MM with 500D Closeup Lens | ||
| History | ||
| Year Introduced | 1992 | |
Recommended Shopping Resources (Using these links to make your purchase supports this site)
Canon EF 20mm f/2.8 USM Lens at B&H Photo
Canon EF 20mm f/2.8 USM Lens at Adorama (Imported)
Canon EF 20mm f/2.8 USM Lens at Adorama
Canon EF 20mm f/2.8 USM Lens at Amazon.com
Canon EF 20mm f/2.8 USM Lens at J&R
Find the best price on the Canon EF 20mm f/2.8 USM Lens
Rent the Canon EF 20mm f/2.8 USM Lens (Using these links supports this site)
Canon EF 20mm f/2.8 USM Lens at LensRentals.com
* If out of stock, ask the rental company if they can accommodate your need.
