Canon EF 20-35mm f/3.5-4.5 USM Lens Specifications and Measurements

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SpecificationsCanon EF 20-35mm f/3.5-4.5 USM Lens
  Canon EF 20-35mm f/3.5-4.5 USM Lens
APS-C Sensor DSLRs Only? N
Lenses / Groups
Angle of View: Diagonal 94° – 63°
Angle of View: Horizontal 84° – 54°
Angle of View: Vertical 62° – 38°
Aperture Range - Wide / Long f/3.5-22 / f/4.5-?
Number of Aperture Blades 5
Rounded Aperture?
Manufacturer Specification Weight 12 oz
Actual Weight
Lens Hood Weight
In-Use Weight
Manufacturer Spec Size (DxL) 3.31 x 2.72”
Measured Size (DxL)
Max Length at Full Extension
Internal Zoom? / Extends with Zoom? / N
Internal Focusing? / Extends with Focusing? / N
Lens Hood Size (DxL)
Lens Length with Hood (Min / Max)
Size of Rings - Zoom / Focus /
Filter Size 77mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus
Focus Limiter? / Focus Limiter Ranges N
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 13.4”
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM)
Magnification Range with 12mm Ext Tube 0.7-0.36x
Magnification Range with 25mm Ext Tube 1.00-0.8x
Tripod Ring Included? / Removable? N
Zoom Ring Lock Switch? N
Lens Hood Included / Model? N / EW-83II Buy ►
Weather Sealed? / Filter Required? N
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? N / LP1214 Buy ►
47.25" x 31.5" Subject Framing Distance
Year Introduced 1993
Review Canon EF 20-35mm f/3.5-4.5 USM Lens
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