Canon EF 300mm f/2.8 L IS USM Lens Specifications and Measurements

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Specifications Canon EF 300mm f/2.8 L IS USM Lens
Focal Length Range 300mm
APS-C Sensor DSLRs Only? N
Lenses / Groups 17/13
Angle of View: Diagonal 8°15'
Angle of View: Horizontal 6°50'
Angle of View: Vertical 4°35'
Aperture Range - Wide / Long f/2.8-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 2550g
Actual Weight 2545g
Lens Hood Weight 215g
Tripod Ring Weight 134g
In-Use Weight 2894g
Manufacturer Spec Size (DxL) 128 x 252mm
Measured Size (DxL) 127.91 x 261.96mm
Max Diameter at Tripod Ring 129.33mm
Max Length at Full Extension 261.96mm
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 145.83 x 145.04mm
Lens Length with Hood (Min / Max)
Size of Rings - Zoom / Focus / 39.6mm
Filter Size DI 52mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus Y
Focus Limiter? / Focus Limiter Ranges Y /
Distance Info Provided to Camera? Y
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 2500mm
Tested Min Focus Distance (Wide / Long) 2322mm
Maximum Magnification (MM) 0.13x
MM with 12mm Extension Tube 0.18-0.04x
MM with 25mm Extension Tube 0.24-0.09x
Tripod Ring Included? / Removable? Y / Y
Zoom Ring Lock Switch? N
Lens Hood Included / Model? Y / ET-120 Buy ►
Weather Sealed? / Filter Required? Y / N
Image Stabilization? / Stops? / Tripod Sensing? Y / /
Extender Compatible? Y
Case Included? / Type? Y / Lens Case 300 Buy ►
1200mm x 800mm Subject Framing Distance 300mm = 10283mm
420mm = 13831mm (w/ 1.4x)
600mm x 400mm Target:
600mm = 10282mm (w/ 2.0x)
Year Introduced 1999
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