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

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SpecificationsCanon EF 400mm f/4 DO IS USM Lens
  Canon EF 400mm f/4 DO IS USM Lens
APS-C Sensor DSLRs Only? N
Lenses / Groups 17/12
Angle of View: Diagonal 6°10'
Angle of View: Horizontal 5°10'
Angle of View: Vertical 3°30'
Aperture Range - Wide / Long f/4.0-32
Number of Aperture Blades 8
Rounded Aperture?
Manufacturer Specification Weight 68.5 oz
Actual Weight 66.2 oz
Lens Hood Weight 7.8 oz
Tripod Ring Weight 4.9 oz
In-Use Weight 78.9 oz
Manufacturer Spec Size (DxL) 5.04 x 9.13”
Measured Size (DxL) 5.04 x 9.51”
Max Diameter at Tripod Ring 5.1”
Max Length at Full Extension 9.51”
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 6.3 x 5.61”
Lens Length with Hood (Min / Max)
Size of Rings - Zoom / Focus / 1.2”
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”
Tested Min Focus Distance (Wide / Long) 130.83”
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)
Year Introduced 2001
Review Canon EF 400mm f/4 DO IS USM Lens
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B&H Photo
Beach Camera or
the Canon Store (new or refurbished)
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