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

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Specifications Canon EF 400mm f/2.8L 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 Range - Wide / Long f/2.8-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 5370g
Actual Weight
Lens Hood Weight 330g
In-Use Weight
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  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus Y
Focus Ring Rotation 270°
Focus Limiter? / Focus Limiter Ranges 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
Magnification Range with 12mm Ext Tube 0.19-0.03x
Magnification Range with 25mm Ext Tube 0.23-0.06x
Tripod Ring Included? / Removable? Y / N
Zoom Ring Lock Switch? N
Lens Hood Included / Model? Y / ET-155 Buy ►
Weather Sealed? / Filter Required? Y / N
Image Stabilization? / Stops? / Tripod Sensing? Y / /
Extender Compatible? Y
Case Included? / Type? Y / Lens Case 400 Buy ►
1200mm x 800mm Subject Framing Distance 400mm = 13687mm
600mm x 400mm Target:
560mm = 9482mm (w/ 1.4x)
800mm = 13726mm (w/ 2.0x)
Year Introduced 1999
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