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

Canon EF 300mm f/2.8 L IS USM Lens Review

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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
Aperture Range - Wide / Long	f/2.8-32
Number of Aperture Blades	8
Rounded Aperture?

Weight
Manufacturer Specification Weight	2550g
Actual Weight	2545g
Lens Hood Weight	215g
Tripod Ring Weight	134g
In-Use Weight	2894g

Size
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
Front Element (Filter Mount) Rotates	N

Focus
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
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Tripod Ring Included? / Removable?	Y / Y
Zoom Ring Lock Switch?	N
Lens Hood Included / Model?	Y / ET-120
Weather Sealed? / Filter Required?	Y / N
Image Stabilization? / Stops? / Tripod Sensing?	Y / /
Metal Mount?	Y
Extender Compatible?	Y
Case Included? / Type?	Y / Lens Case 300
1200mm x 800mm Subject Framing Distance	300mm = 10283mm 420mm = 13831mm (w/ 1.4x) 600mm x 400mm Target: 600mm = 10282mm (w/ 2.0x)

History
Year Introduced	1999