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

Model #8404B002

Canon Warranty - USA Version
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MSRP: $6,899.00 ?


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Weight 4.63 lb (2.1 kg)
Dimensions (DxL) Approx. 5.04 x 9.16" (128 x 232.7 mm)
Filter Thread Drop-in:52 mm


Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 6° 10'
Minimum Focus Distance 10.83' (3.3 m)
Magnification Not Specified By Manufacturer
Focal Length 400mm
Diaphragm Blades 9, Rounded
Elements/Groups 18/12
Aperture Maximum: f/4
Camera Mount Type Canon EF


Autofocus Yes
Image Stabilization Yes
Expert Reviews
The digital picture.34755376
27 April 2015

Canon marketing has called the Canon EF 400mm f/4 DO IS II USM Lens "The Portable Super Telephoto Lens". The Canon EF 400mm f/4 DO IS II USM Lens packages impressive image quality in an ultralight and ultra-small package with autofocus and image stabilization systems that are among the best...

2 February 2015

Specification A professional-grade telephoto lens, which sports a moderately fast maximum aperture of f/4, image stabilisation, silent focusing with full-time manual focus override and a relatively compact design, thanks to the use of Diffractive Optics.

Imaging resource.34355410
19 January 2015

The Canon EF 400mm Æ’/4 DO IS II USM is a fantastic, professional-level supertelephoto lens. As a significant upgrade optically compared to the original version, the 400mm DO II is an even more attractive option over the heavy, expensive 400mm Æ’/2.8L IS II.

Photography blog.34420874
29 March 2016

Put simply, the Canon EF 400mm f4 DO IS II USM is an outstanding super telephoto lens. Its use of cutting edge optical technology provides superb image quality with minimal light fall-off, no noticeable distortion and very high corner to corner sharpness.

12 January 2015

Despite the price, this lens certainly makes an interesting prospect for those who find the size and weight of a traditional 400mm prime simply too much to be carrying around. The relatively compact dimensions make this lens fairly easy to hand-hold, especially when compared to this lens' larger and...

  • +

    Outstanding sharpness from maximum aperture, Low CA, Low distortion, Relatively compact, Excellent build quality, Effective image stabiliser

  • -

    Price puts this lens beyond the reach of many

User Reviews
Imaging resource.34355410
7 March 2016

Canon 400mm f/4 DO MK II............... versus Canon 100-400mm MK II , Tamron 150-600mm and Sigma 150-600mm Sport,... and the optically perfect "Tony Northrup extender"...................... my first impressions After working my way thru approx.

  • +

    Portability, and handling without and with extenders

  • -


30 November 2016

My company rented this lens for me for the Breeders' Cup. This lens hit it out of the ball park. Light weight, no distortion, amazing photos! Plan to put this on my wish list

6 days ago

Une pure merveille que j utilisé tous les jours

4 August 2016

My company specializes in high altitude photography we recently replaced our legacy lenses with this masterpiece of optical engineering.If you are hand holding a lens longer than 200mm this is the only lens you will ever need. Its compact DO design is ideal for action photography.

19 July 2016

Build quality of the l series.<br /><br />If you're looking for a telephoto lens to lug around all day long this is the best option and coupled to the teleconverters the results are excellent too handholdable 800mm f8.

  • +

    Consistent Output, Durable, Easily Interchangeable, Lightweight, Quick Focus, Rugged, Sharp Focus, Strong Construction

12 July 2016

Fa lavorare bene anche la 7d2 il che è tutto dire

Imaging resource.34355410
5 December 2015

I am strictly a wildlife shooter. My hobby in retirement. I can say SLRGear's review of this lens is spot on. Shooting wildlife I use the 300 II and 500 II lenses. Both are the pentacle of optical quality in there classes IMO. The 400 DO II lens while very good, and the build quality is top notch.

  • +

    Light weight, Extremely well made, Fantastic IS, Good optics

  • -

    Not tack sharp

Imaging resource.34355410
4 October 2015

I bought this lens because I have always wanted a DO lens but the first version of the 400mm DO was a little disappointing - based on online reviews. So when the Mk II was annnounced towards the end of 2014, I eagerly waited for some positive reviews.

  • +

    Light weight, Good Optical Performance, Improved IS

  • -

    Could be cheaper!

Imaging resource.34355410
22 September 2015

This lens intrigued me ever since the first version came out, but I resisted the urge due to the cost and the fact the IQ was considerably lower than other super telephotos. I've used the 300f2.8 version II, and it was a nail biter when I decided to sell it for this lens.

  • +

    Size, weight, optical quality.

  • -


Product Highlights
  • EF Mount Lens/Full-Frame Format
  • Gapless Dual-Layer Diffractive Optics
  • Large Diameter Aspherical Element
  • Ultra Low Dispersion Element
  • Protective Fluorine Coatings
  • Ultrasonic AF Motor and Internal Focus
  • Optical Image Stabilizer with 3 Modes
  • Power Focus Mode; Full-Time MF Override
  • Dust- and Water-Resistant Construction
  • Rounded 9-Blade Diaphragm
Average Expert Score
Average User Score
In The Box
  • Canon EF 400mm f/4 DO IS II USM Lens
  • ET-120W II Lens Hood for EF 300mm f/2.8L IS II
  • E-145C Lens Cap for EF 300mm f/2.8L IS II USM
  • Lens Dust Cap E (Rear)
  • Lens Wide Strap B f/EF 300 / 400 mm f/2.8L IS II USM
  • 52mm Drop-in Gelatin Filter Holder (Black)
  • Lens Case 400D for EF 400mm f/4 DO IS II USM
  • Strap for Hard Case
  • Limited 1-Year Warranty
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