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

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SpecificationsCanon EF 100-300mm f/4.5-5.6 USM Lens
  Canon EF 100-300mm f/4.5-5.6 USM Lens
Mounts On Full Frame, APS-C
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 19.1 oz
Actual Weight 17.1 oz
Lens Hood Weight 1.1 oz
In-Use Weight 18.2 oz
Manufacturer Spec Size (DxL) 2.87 x 4.8”
Measured Size (DxL) 2.87 x 5.1”
Max Length at Full Extension 7.01”
Internal Zoom? / Extends with Zoom? N / Y
Zoom Extension Length 1.97”
Internal Focusing? / Extends with Focusing? N / N
Lens Hood Size (DxL) 3.46 x 2.07”
Lens Length with Hood (Min / Max) 6.82 / 8.72”
Size of Rings - Zoom / Focus 2.63” / 0.28”
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 Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 59.1”
Tested Min Focus Distance (Wide / Long) 57.95” / 57.68”
Maximum Magnification (MM)
Magnification Range with 12mm Ext Tube 0.26-0.04x
Magnification Range with 25mm Ext 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 ►
47.25" x 31.5" Subject Framing Distance 100mm = 11.95'
135mm = 15.95'
200mm = 23.37'
300mm = 33.24'
Year Introduced 1990
Review Canon EF 100-300mm f/4.5-5.6 USM Lens
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