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

SpecificationsCanon EF 400mm f/2.8L IS USM Lens
  Canon EF 400mm f/2.8L IS USM Lens
Year Introduced1999
Mounts OnFull-Frame, APS-C
Lenses / Groups17/13
Angle of View: Diagonal6°10'
Angle of View: Horizontal5°10'
Angle of View: Vertical3°30'
Aperture Range - Wide / Long f/2.8-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 189.6 oz  (5370g)
Actual Weight
Lens Hood Weight 11.6 oz  (330g)
In-Use Weight
Manufacturer Spec Size (DxL) 6.42 x 13.74”  (163 x 349mm)
Measured Size (DxL) 6.42 x 14.11”  (163 x 358.3mm)
Max Diameter at Tripod Ring 7.7”  (196.1mm)
Max Length at Full Extension 14.11”  (358.3mm)
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 7.77 x 6.4”  (197.4 x 162.5mm)
Lens Length with Hood (Min-Max) 19.55 - 19.55”  (496.5 - 496.5mm)
Size of Rings: Focus / Zoom 3.48”  (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 118.11”  (3000mm)
Tested Min Focus Distance (Wide / Long) 111.57”  (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 ►
47.25" x 31.5" Subject Framing Distance 400mm = 44.90'
23.62" x 15.75"mm Target:
560mm = 31.11' (w/ 1.4x)
800mm = 45.03' (w/ 2.0x)
1200mm x 800mm Subject Framing Distance 400mm = 13687mm
600mm x 400mm Target:
560mm = 9482mm (w/ 1.4x)
800mm = 13726mm (w/ 2.0x)
Review Canon EF 400mm f/2.8L IS USM Lens
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