Canon EF 400mm f/2.8 L IS USM Lens Specifications and Measurements

Canon EF 400mm f/2.8 L IS USM Lens Review

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Specifications	Canon EF 400mm f/2.8 L IS USM Lens
Focal Length Range	400mm
APS-C Sensor DSLRs Only?	N
Lenses / Groups	17/13
Angle of View: Diagonal	6°10'
Angle of View: Horizontal	5°10'
Angle of View: Vertical	3°30'

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

Weight
Manufacturer Specification Weight	5370g
Actual Weight
Lens Hood Weight	330g
In-Use Weight

Size
Manufacturer Spec Size (DxL)	163 x 349mm
Measured Size (DxL)	163.12 x 358.32mm
Max Diameter at Tripod Ring	196.1mm
Max Length at Full Extension	358.32mm
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	197.37 x 162.47mm
Lens Length with Hood (Min / Max)	496.48 / 496.48mm
Size of Rings - Zoom / Focus	/ 88.5mm
Filter Size	DI 52mm
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type	Ring USM
Full Time Manual Focus	Y
Focus Ring Rotation	270°
Focus Limiter? / Focus Limiter Ranges	Y /
Distance Info Provided to Camera?	Y
Distance Scale? / Type	Y / Window

Close Focus
Specified Min Focus Distance	3000mm
Tested Min Focus Distance (Wide / Long)	2834mm
Maximum Magnification (MM)	0.15x
MM with 12mm Extension Tube	0.19-0.03x
MM with 25mm Extension Tube	0.23-0.06x
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Tripod Ring Included? / Removable?	Y / N
Zoom Ring Lock Switch?	N
Lens Hood Included / Model?	Y / ET-155
Weather Sealed? / Filter Required?	Y / N
Image Stabilization? / Stops? / Tripod Sensing?	Y / /
Metal Mount?	Y
Extender Compatible?	Y
Case Included? / Type?	Y / Lens Case 400
1200mm x 800mm Subject Framing Distance	400mm = 13687mm 600mm x 400mm Target: 560mm = 9482mm (w/ 1.4x) 800mm = 13726mm (w/ 2.0x)

History
Year Introduced	1999