Canon EF 400mm f/4 DO IS USM Lens Specifications and Measurements

SpecificationsCanon EF 400mm f/4 DO IS USM Lens
  Canon EF 400mm f/4 DO IS USM Lens
Year Introduced2001
Mounts OnFull-Frame, APS-C
Lenses / Groups17/12
Angle of View: Diagonal6°10'
Angle of View: Horizontal5°10'
Angle of View: Vertical3°30'
Aperture Range - Wide / Long f/4.0-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 68.5 oz  (1940g)
Actual Weight 66.2 oz  (1875g)
Lens Hood Weight 7.8 oz  (220g)
Tripod Ring Weight 4.9 oz  (139g)
In-Use Weight 78.9 oz  (2234g)
Manufacturer Spec Size (DxL) 5.04 x 9.13”  (128 x 232mm)
Measured Size (DxL) 5.04 x 9.51”  (128 x 241.5mm)
Max Diameter at Tripod Ring 5.1”  (130.5mm)
Max Length at Full Extension 9.51”  (241.5mm)
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 6.3 x 5.61”  (160.1 x 142.5mm)
Lens Length with Hood (Min-Max)
Size of Rings: Focus / Zoom 1.2”  (30.5mm)
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 119°
Focus Limiter? / Focus Limiter Ranges Y /
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 137.8”  (3500mm)
Tested Min Focus Distance (Wide / Long) 130.83”  (3323mm)
Maximum Magnification (MM) 0.12x
Magnification Range with 12mm Ext Tube 0.16-0.03x
Magnification Range with 25mm Ext Tube 0.2-0.07x
Tripod Ring Included? / Removable? Y / Y
Zoom Ring Lock Switch? N
Lens Hood Included / Model? Y / ET-120 Buy ►
Weather Sealed? / Filter Required? Y / N
Image Stabilization? / Stops? / Tripod Sensing? Y / 2 / Y
Extender Compatible? Y
Case Included? / Type? Y / Lens Case 400B Buy ►
47.25" x 31.5" Subject Framing Distance 400mm = 44.26'
23.62" x 15.75" Target:
560mm = 30.44' (w/ 1.4x)
800mm = 44.17' (w/ 2.0x)
1200mm x 800mm Subject Framing Distance 400mm = 13491mm
600mm x 400mm Target:
560mm = 9278mm (w/ 1.4x)
800mm = 13464 (w/ 2.0x)
Review Canon EF 400mm f/4 DO IS USM Lens
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