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Canon EF 400mm f4.0 DO IS USM Review

Canon EF 400mm f4.0 DO IS USM

Main Features

  • 400mm Focal Range
  • F4.0 Max Aperture
  • Image Stabilization
  • Weather Sealed
  • Filter Thread: 52mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 1940g.
  • Diameter: 128mm
  • Length: 233mm
  • Min Focus Distance:3.5m
  • Max Magnification:0.12x
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Canon 400mm f4.0 DO IS USM Overview

Canon 400mm f4.0 DO IS USM is an Auto Focus (AF) Super Telephoto Prime lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.

Canon 400mm f4.0 DO IS USM was replaced with Canon EF 400mm F4 DO IS II USM. Follow the link to read our comparison of these lenses:
Compare Canon EF 400mm f4.0 DO IS USM vs Canon EF 400mm F4 DO IS II USM


Lenses in Canon EF Mount with Same Focal and Aperture Range
Model Coverage Weight Focusing Street Price
Canon EF 400mm F4 DO IS II USM Lens Canon EF 400mm F4 DO IS II USM
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35mm FF 2100gr AF Amazon B&H Photo

Lens Mount

Canon 400mm f4.0 DO IS USM is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Focal Range

Canon 400mm f4.0 DO IS USM has a fixed focal lenght of 400mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 640mm.


Weather Sealings

Canon 400mm f4.0 DO IS USM is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Canon 400mm f4.0 DO IS USM with a weather sealed camera body such as Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Optical Image Stabilization

Canon 400mm f4.0 DO IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.

Maximum Magnification Ratio

Canon 400mm f4.0 DO IS USM has a Max Magnification Ratio of 0.12x and has a minimum focusing distance of 3.5m. 0.12x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Aperture

Canon 400mm f4.0 DO IS USM has a max aperture of F4.0 and a minimum aperture of F32.0.

Optical Formula

Canon 400mm f4.0 DO IS USM's optical formula consists of 17 elements in 13 groups . Special elements used in this design is Multi-Layer Diffractive Optical (DO) Element.

Lens Hood

Canon 400mm f4.0 DO IS USM doesn't come with a lens hood but there is an optional lens hood with a part code of ET-120 that you can order separately.

Body Colour

Canon 400mm f4.0 DO IS USM is available in Grey and Black color.

Popular Comparisons of Canon 400mm f4.0 DO IS USM

Here is the eight most popular comparisons of Canon 400mm f4.0 DO IS USM amongst Camera Decision readers.

Top Alternatives of Canon 400mm f4.0 DO IS USM Lens
Model Coverage Weight Focusing Street Price
Canon EF 400mm F4 DO IS II USM Lens Canon EF 400mm F4 DO IS II USM
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35mm FF 2100gr AF Amazon B&H Photo
Sigma 500mm F4 DG OS HSM Sport Lens Sigma 500mm F4 DG OS HSM Sport
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35mm FF 3310gr AF Amazon B&H Photo
Canon EF 400mm F2.8L IS III USM Lens Canon EF 400mm F2.8L IS III USM
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35mm FF 2840gr AF Amazon B&H Photo
Canon EF 400mm f5.6L USM Lens Canon EF 400mm f5.6L USM
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35mm FF 1250gr AF Amazon B&H Photo
Canon EF 400mm f2.8L IS USM Lens Canon EF 400mm f2.8L IS USM
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35mm FF 5370gr AF Amazon B&H Photo
Canon EF 400mm f2.8L IS II USM Lens Canon EF 400mm f2.8L IS II USM
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35mm FF 3850gr AF Amazon B&H Photo
Sigma 800mm F5.6 EX DG HSM Lens Sigma 800mm F5.6 EX DG HSM
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35mm FF 4900gr AF Amazon B&H Photo
Canon EF 500mm f4.0L IS II USM Lens Canon EF 500mm f4.0L IS II USM
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35mm FF 3190gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Pros and Cons of Canon EF 400mm f4.0 DO IS USM


PROs
Image Stabilization
Weather Sealed
Built-in Autofocus
Tripod Collar
Full-time Manual Focusing
Covers Full-Frame Sensor

CONs
Heavy
Pricey
Canon EF 400mm f4.0 DO IS USM Alternatives in Canon EF Mount
Model Coverage Weight Focusing Street Price
Canon EF 400mm f2.8L IS II USM Lens Canon EF 400mm f2.8L IS II USM
Compare
35mm FF 3850gr AF Amazon B&H Photo
Canon EF 400mm f2.8L IS USM Lens Canon EF 400mm f2.8L IS USM
Compare
35mm FF 5370gr AF Amazon B&H Photo
Canon EF 400mm f5.6L USM Lens Canon EF 400mm f5.6L USM
Compare
35mm FF 1250gr AF Amazon B&H Photo
Canon EF 400mm F4 DO IS II USM Lens Canon EF 400mm F4 DO IS II USM
Compare
35mm FF 2100gr AF Amazon B&H Photo
Canon EF 400mm F2.8L IS III USM Lens Canon EF 400mm F2.8L IS III USM
Compare
35mm FF 2840gr AF Amazon B&H Photo

Canon 400mm f4.0 DO IS USM Detailed Specifications


General
Brand Canon
Lens Type Prime
Lens Type Telephoto Prime
Lens Mount Canon EF
Max Format 35mm FF
Focal Range 400mm
Image Stabilization Yes
Colour Grey and Black
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F4.0
Min Aperture F32.0
Aperture Ring No
Diaphragm Blades 8
Optics
Optical Elements 17
Optical Groups 13
Special Elements Multi-Layer Diffractive Optical (DO) Element

FOCUSING
Min Focus Distance 3.5m
Max Magnification 0.12X
Autofocus Yes
AF Motor Type Ultrasonic
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 1940g
Diameter 128mm
Length 233mm
Materials Metal barrel, metal mount
Weather Sealing Yes
Filter Thread 52mm
Filter Notes -
Hood Code ET-120
Tripod Collar Yes
Optional Accessories Lens Case 400
Report a Correction
Frequently Asked Questions about Canon EF 400mm f4.0 DO IS USM
is the Canon EF 400mm f4.0 DO IS USM a Weather Sealed lens?
What is the Minimum Focusing Distance of Canon EF 400mm f4.0 DO IS USM
is the Canon EF 400mm f4.0 DO IS USM an Autofocus (AF) lens?
What is the Filter Thread Size of Canon EF 400mm f4.0 DO IS USM
Does Canon EF 400mm f4.0 DO IS USM have Image Stabilization?
Does Canon EF 400mm f4.0 DO IS USM have Aperture Ring?
What is the Maximum Magnification Ratio of Canon EF 400mm f4.0 DO IS USM
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