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

Model #2746B002

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
1 May 2009

The arrival of the new Canon EF 800mm f/5.6L IS USM lens was a case of perfect timing as within a few days I’d be on the road for a couple of weeks photographing the abundance of wildlife at the Blackwater Refuge.

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.

16 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
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!

30 December 2013

So, My brother and I were creating a dooms day device we saw on the popular show 'phineas and pherb'; the laseranator. We purchased this in hopes of +10 DMG bonus or something similar. we didn't see anything after we fired it at eachother. 0/10 do not order.

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

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

3 April 2015

I have one of these lenses which I use for long range wildlife photography and all I can say is that they are absolutely superb, yes expensive but money well spent in my opinion.

29 January 2014

It's somewhat hilarious just how oversized this lens is. I suppose I can almost understand how it might get mistaken for a piece of armament from a distance. Even hanging a not insubstantial 1D off of it makes it very clear where the balance of power is in this relationship--the lens has it all,...

28 January 2014

I got this lens as a gift from my mother. It is the best gift ever. It is very heavy and you need a tripod to use with it. I tried using a mono-pod, but had better results/luck on a tripod. I am not sure Arnold Schwarzenegger could hand-hold this one for long, even in his youth!

15 January 2014

Resolution has always been my highest priority and this lens certainly is the best.The auto-focus features are superb.After using the 600mm f/4 L lens for years trading it in for the 800 was the best trade I've ever made.

  • +

    Fast auto-focus, Superior build quality, Super-sharp images

  • -

    wish it had a larger aperture

4 December 2013

I am a very armature photographer and the shot's I got with this lens makes me look like a pro.

  • +

    Fast auto-focus, Superior build quality, Super-sharp images

27 June 2013

Fabulous lens. From beginner to advance this lens should be in everyone's camera bag!!! This lens is on my camera all the time. The zoom is great, and for everyday photos this lens is for all occasions.

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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