Canon EF 100-300mm f/4.5-5.6 USM Lens Specifications and Measurements

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Specifications Canon EF 100-300mm f/4.5-5.6 USM Lens
Focal Length Range 100-300mm
APS-C Sensor DSLRs Only? N
Lenses / Groups 13/10
Angle of View: Diagonal 24° – 8°15'
Angle of View: Horizontal 20° – 6°50'
Angle of View: Vertical 14° – 4°35'
Aperture Range - Wide / Long f/4.5-32 / f/5.6-38
Aperture Max by Focal Length 100-114mm = f/4.5
115-179mm = f/5.0
180-300mm = f/5.6
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 540g
Actual Weight 485g
Lens Hood Weight 30g
In-Use Weight 515g
Manufacturer Spec Size (DxL) 73 x 122mm
Measured Size (DxL) 72.9 x 129.5mm
Max Length at Full Extension 178mm
Internal Zoom? / Extends with Zoom? N / Y
Zoom Extension Length 50.1mm
Internal Focusing? / Extends with Focusing? N / N
Lens Hood Size (DxL) 88 x 52.7mm
Lens Length with Hood (Min / Max) 173.3 / 221.4mm
Size of Rings - Zoom / Focus 66.9mm / 7.2mm
Filter Size 58mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus Y
Focus Ring Rotation 125°
Focus Limiter? / Focus Limiter Ranges N
Distance Info Provided to Camera? Y
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 1500mm
Tested Min Focus Distance (Wide / Long) 1472mm / 1465mm
Maximum Magnification (MM)
MM with 12mm Extension Tube 0.26-0.04x
MM with 25mm Extension Tube 0.37-0.09x
Zoom Ring Rotation 79°
Tripod Ring Included? / Removable? N
Zoom Ring Lock Switch?
Lens Hood Included / Model? N / ET-65III Buy ►
Weather Sealed? / Filter Required? N
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? N / LP1019 Buy ►
1200mm x 800mm Subject Framing Distance 100mm = 3643mm
135mm = 4861mm
200mm = 7123mm
300mm = 10131mm
Year Introduced 1990
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