Specifications Canon EF 28-135mm f/3.5-5.6 IS USM Lens
Focal Length Range 28-135mm
Angle of View: Diagonal 75° – 18°
Angle of View: Horizontal 65° – 15°
Angle of View: Vertical 46° – 10°
Lenses / Groups 16/12

Aperture
Aperture Range - Wide / Long f/3.5-22 / f/5.6-36
Aperture Max by Focal Length 28-49mm = f/4.0
50-64mm = f/4.5
65-84mm = f/5.0
85-135mm = f/5.6
Number of Aperture Blades 6
Rounded Aperture?

Weight
Manufacturer Specification Weight 19.1 oz
Actual Weight 18.9 oz
Lens Hood Weight 1.2 oz
In-Use Weight 20.1 oz

Size
Manufacturer Spec Size (DxL) 3.07 x 3.82”
Measured Size (DxL) 3.09 x 4.11”
Max Length at Full Extension 5.33”
Internal Zoom? / Extends with Zoom? N / Y
Zoom Extension Length 1.25”
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 3.86 x 2.3”
Lens Length with Hood (Min / Max) 6.2 / 7.44”
Size of Rings - Zoom / Focus 1.34” / 0.35”
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-78BII / N
Weather Sealed? / Filter Required? N
Image Stabilization? / Stops? / Tripod Sensing? Y / /
Case Included? / Type? / LP1116

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

Close Focus
Specified Min Focus Distance 19.7”
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM) .19x
MM with 12mm Extension Tube 0.53-0.09x
MM with 25mm Extension Tube 1.09-0.21x
MM with 250D Closeup Lens
MM with 500D Closeup Lens

History
Year Introduced 1998