Canon EF 400mm f/4 DO IS USM Camera Lens

product overview
product overview
  • EF Mount Lens
  • Aperture Range: f/4-32
  • Multi-Layer Diffractive Optical Element
  • Two-Mode Image Stabilization System
  • Ultrasonic Autofocus Motor
  • AF Stop Button and Focus Range Limiter
  • Detachable, Rotating Tripod Collar
  • Dustproof and Moisture Proof Sealing
  • Comparably Compact and Lightweight
  • Includes Lens Hood and Hard Case
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The EF 400mm f/4 DO IS USM Lens from Canon utilizes multi-layer diffractive optical (DO) lens technology to correct chromatic aberrations, substantially reduce lens size and provide excellent overall telephoto image quality. This offers an alternative for sports, nature and wildlife photographers, giving exemplary results in a size previously unheard of for a lens of such a focal length and aperture.

In addition, Image Stabilization provides up to 2-stops of correction against camera shake for less blur when using slower shutter speeds. Furthermore, with two distinct stabilization modes are featured. Mode 1 is best used with still subjects while Mode 2 is optimized for panning with moving subjects. An ultrasonic autofocus motor (USM) enables fast, smooth and quiet AF action and the AF stop buttons allow you to temporarily pause autofocus. Also, to minimize autofocus time with specific subjects, a focusing range limiter function lets you set the distances at which the lens will focus and with manual focus override, you can apply precise manual focus at any time, even in AF mode.

With a barrel constructed of magnesium alloy, the lens is designed to be lightweight and durable and a tight seal structure ensures effective dust-proof and drip-proof performance. A detachable, rotating tripod collar provides a stable mount to tripods or monopods and the drop-in Gelatin Filter Holder 52 comes with a glass filter and fits standard gelatin filters. This lens includes a dedicated lens hood and hard carrying case and is compatible with the optional EF 1.4x II and EF 2.0x II extenders. 

High-diffraction optics suppress aberrations and provide class-leading low size and weight
Two-stage image stabilization; dual-axis camera shake correction or vertical axis only(for panning)
AF Stop function pauses autofocus when an obstruction appears
Two-stage focus limiter function allows focusing within a range of 11.5' to infinity (full range) or 26.2' to infinity.
Full-time manual focus override
Dust & moisture resistance made exceptional by magnesium alloy lens barrel, tight seal structure and new rear gasket at lens mount
Detachable, rotatable tripod collar and drop-in gelatin filter holder
  • MPN - EF400DO
  • GTIN - 4960999009919
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Focal Length400mm
Lens typePrime lens
Aperture RangeMaximum: f/4
Max Format size35mm Full Frame
Lens mountCanon EF
Minimum Focusing Distance3.5m
Focus TypeInner focusing system with USM
Minimum apertureF32.0
Diaphragm Blades8
Angle Of View6 10’
Filter SizeDrop-in:52 mm
Motor TypeUltrasonic
Dimensions (DxL)128.0 x 232.7mm
Diameter128 mm
Length233 mm
Filter Thread52 mm
Lens HoodCanon ET-120
Focal Length400mm
Comparable APS-C 1.6x Focal Length: 640 mm
Filter Thread SizeDrop-In: 52 mm
Dimensions(DxL)12.70 x 23.11 cm
Weight1.94 kg
Tripod CollarYes Fixed - rotating
ApertureMaximum: f/4
Minimum: f/32
Camera Mount TypeCanon EF
Format Compatibility35mm Film / Full-Frame Digital Sensor Canon (APS-C)
Angle of View6 10'
Minimum Focus Distance3.5 m
Maximum Reproduction Ratio1:8
Optical Design17 Elements in 13 Groups
Diaphragm Blades8
Image StabilizationYes
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What’s In The Box

Canon EF 400mm f/4 DO IS USM Camera Lens

  • Canon Lens 400mm EF f/4 DO IS USM x 1
  • Front Lens Cap x 1
  • Lens Dust Cap E (Rear) x 1
  • Lens Hood ET-120 x 1
  • Lens Case Drop-in Filter Holder x 1
  • Wide Strap x 1
  • Instruction Manual x 1

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