Canon EF 400mm f/5.6L USM Lens Specifications and Measurements

SpecificationsCanon EF 400mm f/5.6L USM Lens
  Canon EF 400mm f/5.6L USM Lens
Year Introduced1993
Mounts OnFull-Frame, APS-C
Lenses / Groups7/6
Angle of View: Diagonal6°10'
Angle of View: Horizontal5°10'
Angle of View: Vertical3°30'
Aperture Range - Wide / Long f/5.6-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 44.1 oz  (1250g)
Actual Weight 43.1 oz  (1220g)
Tripod Ring Weight 4.6 oz  (131g)
In-Use Weight 47.7 oz  (1351g)
Manufacturer Spec Size (DxL) 3.54 x 10.12”  (90 x 257mm)
Measured Size (DxL) 3.54 x 10.44”  (90 x 265.2mm)
Max Diameter at Tripod Ring 3.9”  (99.4mm)
Max Length at Full Extension 10.44”  (265.2mm)
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 3.55 x 4.04”  (90.2 x 102.6mm)
Lens Length with Hood (Min-Max)
Size of Rings: Focus / Zoom 2.85”  (72.4mm)
Filter Size 77mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type Ring USM
Full Time Manual Focus Y
Focus Ring Rotation 150°
Focus Limiter? / Focus Limiter Ranges Y /
11.48' (3.5m) - ∞
27.89' (8.5m) - ∞
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 137.8”  (3500mm)
Tested Min Focus Distance (Wide / Long) 131.81”  (3348mm)
Maximum Magnification (MM) 0.12x
Magnification Range with 12mm Ext Tube 0.16-0.03x
Magnification Range with 25mm Ext Tube 0.21-0.07x
Tripod Ring Included? / Removable? Y / Y
Zoom Ring Lock Switch? N
Lens Hood Included / Model? Y / Integrated
Weather Sealed? / Filter Required? P / Y
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? Y
Case Included? / Type? Y / LZ1132 Buy ►
47.25" x 31.5" Subject Framing Distance 400mm = 44.54'
23.62" x 15.75" Target:
560mm = 30.72' (w/ 1.4x)
800mm = 44.60' (w/ 2.0x)
1200mm x 800mm Subject Framing Distance 400mm = 13576mm
600mm x 400mm Target:
560mm = 9362mm (w/ 1.4x)
800mm = 13595 (w/ 2.0x)
Review Canon EF 400mm f/5.6L USM Lens
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