Canon EF 800mm f/5.6L IS USM Autofocus Lens

Model #2746B002

Canon Warranty - USA Version
Canon 2746b002 1
Canon 2746b002 1
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Dimensions (dxl) Approx. 6.4 x 18.1" (16.26 x 45.97 cm)
Weight 9.9 lb (4.49 kg)
Filter thread 52 mm


Camera mount type Canon EF
Groups/elements 14/18
Angle of view 3.5°
Focal length 800 mm
Minimum focus distance 19.7' (6 m)
Format compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Diaphragm blades 8
Aperture Maximum: f/5.6
Minimum: f/32
Maximum reproduction ratio 1:7.14
Magnification 0.14x


Tripod collar Yes
Image stabilization Yes
Autofocus Yes
Expert Reviews
The digital picture.34755376
19 August 2008

There is nothing like the arrival of a new Canon Super Telephoto Lens to bring the excitement of Christmas to any time of the year. And the hit on the credit card from this lens is considerably larger than the hit from most households' Christmas expenditures.

Imaging resource.34355410
6 November 2008

Given that there are so few choices available in this category of super telephoto lenses in the Canon mount, the decision is almost made for you if you need to produce images at distance.

22 August 2008

Canon's EF 800mm f/5.6L IS USM lens is a 'big gun' in many ways. Weighing 4.5 kilograms and almost half a metre long with its lens hood attached, it's a challenge to shoot with. However, it also has a maximum aperture of f/5.6, which is outstanding for a lens with such a long focal length.

11 October 2006

Owing a camera is one thing and pairing it with appropriate accessories is an entirely different thing. Of course, you just can?t solemnly rely upon the megapixels count of the snapper anyways.

User Reviews
B h photo.32817553
13 April 2016

Purchased this product as a gift for my wife who is an avid amateur photographer and artist (so when I say the picture looks great she is looking for ways to improve them). Prior to this purchase she used a Sigma 150-600 mm lens which allowed excellent wildlife photographic acquisitions but, nothing...

5 June 2016

I finally managed to purchase this lens after 28 years of wanting a big glass. I looked at many different lens's some much less expensive and decided to go for this big gun.So far i found that the clarity and use is top notch. My photos have gone from OK to WOW!

Imaging resource.34355410
16 June 2010

It's an excellent lens in every regard. Compared to the 200 f2L IS (which I have) it falls a bit short in the CA performance. But if you've used the 200L IS this is something you'll fuss about with every lens you use and unfortunately the 800L IS isn't immune to it.

  • +


  • -

    Nitpicking a bit but CA

B h photo.32817553
8 July 2016

The Canon 800mm that I recently purchased is everything that I hoped it to be, which is super sharp and a breeze to use with my Wimberley Gimbal head. Quality construction along with Canon's optimum glass makes this lens stand above any other lens that I have used!

16 March 2016

I don't own one of these, but I borrowed a friends. The image quality is quite exceptional, BUT, and there is a BUT...because you are so far away from your subject, there is an increased level of atmospheric interference present.

  • +

    Consistent Output, Quick Focus, Sharp Focus, Strong Construction

B h photo.32817553
29 October 2014

I am a wildlife photographer. I have been using a 500mm for years, with cropped sensor cameras, and with 1.4x and 2.0x converters. I never liked the results that I got with the 2.0x converters. But I need a really long telephoto.

Product Highlights
  • Super Telephoto
  • Image Stabilizer
  • Magnesium Alloy Construction
Average Expert Score
Average User Score
In The Box
  • Canon EF 800mm f/5.6L IS USM Lens
  • E-180D Lens Cap for EF 400mm f/2.8L IS II USM
  • Lens Dust Cap E (Rear)
  • Lens Case 800
  • 52mm Drop-in Filter Holder
  • ET-155 Lens Hood
  • Limited 1-Year Warranty
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