Canon EF 20mm f/2.8 USM Lens Specifications and Measurements

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SpecificationsCanon EF 20mm f/2.8 USM Lens
  Canon EF 20mm f/2.8 USM Lens
Mounts On Full Frame, APS-C
Lenses / Groups 11/9
Angle of View: Diagonal 94°
Angle of View: Horizontal 84°
Angle of View: Vertical 62°
Aperture Range - Wide / Long f/2.8-22
Number of Aperture Blades 5
Rounded Aperture?
Manufacturer Specification Weight 405g
Actual Weight 395g
Lens Hood Weight 25g
In-Use Weight 420g
Manufacturer Spec Size (DxL) 78 x 71mm
Measured Size (DxL) 77 x 79mm
Max Length at Full Extension 79mm
Internal Zoom? / Extends with Zoom? N / N
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 96.3 x 40.8mm
Lens Length with Hood (Min / Max) 115.9 / 115.9mm
Size of Rings - Zoom / Focus / 18.2mm
Filter Size 72mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus Y
Focus Ring Rotation 81°
Focus Limiter? / Focus Limiter Ranges N
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 250mm
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM) 0.14x
Magnification Range with 12mm Ext Tube 0.72-0.6x
Magnification Range with 25mm Ext Tube n/ax
Tripod Ring Included? / Removable? N
Zoom Ring Lock Switch? N
Lens Hood Included / Model? N / EW-75II Buy ►
Weather Sealed? / Filter Required? N
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? N / LP1214 Buy ►
1200mm x 800mm Subject Framing Distance 20mm = 770mm
Year Introduced 1992
Review Canon EF 20mm f/2.8 USM Lens
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