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

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Specifications	Canon EF 20-35mm f/3.5-4.5 USM Lens
Focal Length Range	20-35mm
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
Aperture Range - Wide / Long	f/3.5-22 / f/4.5-
Number of Aperture Blades	5
Rounded Aperture?

Weight
Manufacturer Specification Weight	12 oz
Actual Weight
Lens Hood Weight
In-Use Weight

Size
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
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type	Ring USM
Full Time Manual Focus
Focus Limiter? / Focus Limiter Ranges	N
Distance Info Provided to Camera?	Y
Distance Scale? / Type	Y / Window

Close Focus
Specified Min Focus Distance	13.4”
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM)
MM with 12mm Extension Tube	0.7-0.36x
MM with 25mm Extension Tube	1.00-0.8x
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?	N
Lens Hood Included / Model?	N / EW-83II
Weather Sealed? / Filter Required?	N
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?	Y
Extender Compatible?	N
Case Included? / Type?	N / LP1214
47.25" x 31.5" Subject Framing Distance

History
Year Introduced	1993