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Canon RF 800mm f/11 IS STM Super Telephoto Lens

Canon RF 800mm f/11 IS STM Super Telephoto Lens

Product Code: 1242180F

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The Canon RF 800mm lens is the world's lightest super telephoto at this length yet still provides 4 stops of stabilisation and is compatible with new extenders for up to an incredible 1600mm of range.


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We Love

  • Extremely compact and lightweight super telephoto lens for easy travel and transportation
  • Effective 4 stop image stabilisation delivers sharper images at this reach
  • Smooth and quiet STM focus system ensures confidence even with optional extenders mounted
  • Clever lens designs provides compact storage together with easy lens control adjustments
  • Huge range with optional Canon extenders mounted for up to 1600mm focal length
Reasons to buy from Park Cameras

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Canon RF 800mm f/11 IS STM Lens Summary

Amateur and enthusiast photographers who enjoy subjects requiring extensive super telephoto reach will be thrilled at the RF 800mm f/11 IS STM Lens from Canon. This full-frame lens together with the RF 600mm f/11 IS STM provide ground breaking AF and IS optics at this size and weight. The RF 800mm weighs just 1260g. which is staggering for such a long focal length. A clever barrel design also allows the lens to be contracted for transportation or storage when not in use, then extended when mounted onto any Canon full-frame mirrorless camera body. Certain settings can also be conveniently adjusted on the barrel with the lens control ring.

Travel wildlife, bird, sports and aviation photographers will particularly benefit from this model’s range, placing extremely distant subjects within their reach. The addition of 4 stops of optical stabilisation compensates for lower light levels or when handheld, delivering consistently sharper images. The removal of aperture blades ensures very pleasing out of focus areas particularly when the subject is isolated from distracting backgrounds. Canon’s STM focus system ensures smooth, quiet and confidence in subject acquisition and maintains full operation even when either of the optional Extenders are mounted. The 1.4x extends the lens to 1120mm and the 2x to an incredible 1600mm. Full image stabilisation and Dual Pixel CMOS AF functionality remains with extenders mounted, delivering distinct advantages to photographers with far away subjects.

Canon RF 800mm Lens in more detail

Image size: Full frame

Focal length: 800mm

Angle of view: (horizontal, vertical, diagonal): 02°35′, 01°40′, 03°05′

Lens construction: 11 elements in 8 groups

No. of diaphragm blades: N/A

Minimum aperture: 11

Closest focussing distance: 6m.

Maximum magnification: 0.14x

Distance Information: Yes

Image stabiliser: 4 stops

AF actuator: STM

Extender compatibility: RF extenders only


Focal Length: 1120mm

Maximum Aperture: f/16

Maximum Magnification: 0.19x

AF Possible: Yes

IS Operates: Yes



Focal Length: 1600mm

Maximum Aperture: f/22

Maximum Magnification: 0.28x

AF Possible: Yes

IS Operates: Yes

Canon Canon RF 800mm f/11 IS STM Sample Images


800mm. 1/1000th sec. ISO 3200. f/11 (Mounted on EOS R6)



800mm. 1/320th sec. ISO 1600. f/11 (Mounted on EOS R)


Wild Pig

1120mm. 1/40th sec. ISO 1600. f/11 (Mounted on EOS R With Extender 1.4x)



800mm. 1/160th sec. ISO 1600. f/11 (Mounted on EOS R)

RF 800MM LENS Specifications

Lens type

Super Telephoto Prime Lens

Focal length


Aperture range

f/11 - f/16

Image stabilisation

Up to 4 Stops

Filter size


Compatible cameras

Canon EOS R Mirrorless


101.6mm x 351.8mm (MAX)



What else is included in the box?

  • Lens Cap E-95
  • Rear End Cap Lens Dust Cap RF

Optional Accessories



Offers: Price Drop
Offer Category: Camera Lenses
Offer Product Type: Canon Mirrorless Lenses
Autofocus: Yes
Aperture ring: N/A
Constant Aperture: Yes
Lens CIPA Image stabilization rating: N/A
Colour: N/A
Diameter (mm): 102
Length (mm): 352
Weight (g): 19595
Distance scale: N/A
DoF scale: N/A
Elements: 11
Environmental Sealing: N/A
Focus distance limiter: N/A
Focal length: 800 mm
Focus method: N/A
Filter Thread: N/A
Full time manual: N/A
Groups: 8
Hood supplied: Yes
Lens Image stabilization: N/A
Lens mount: N/A
Lens Materials: N/A
Maximum focal length: 800
Maximum magnification: 0.14
Maximum aperture (number): 11
Maximum aperture (text): N/A
Max Format size: N/A
Minimum focal length: 800
Lens Minimum focus distance (m): 6
Minimum aperture (number): 11
Minimum aperture (text): N/A
Motor type: N/A
Number of diaphragm blades: N/A
Power zoom: N/A
Special elements / coatings: Gapless double-layer diffractive optics
Tripod collar: N/A
Lens type: N/A
Wide/Tele: N/A
Lens Level: N/A
Best For: N/A
Best For Holiday and Landscape: N/A
Best For Interior and Architecture: N/A
Best For Fashion and Portrait: N/A
Best For Macro and Still Life: N/A
Best For Astro: Yes
Best For Street: N/A
Best For Wildlife and Sport: Yes
Zoom lock: N/A
Zoom method: N/A
Notes: N/A

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Buy a £1,200.00 camera and pay a 10% deposit of £120. You'll borrow £1,080 over 24 months with an annual interest rate of 17.9% (fixed) and monthly repayments of £53.18. The total amount payable will be £1,396.33 17.9% APR Representative.

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You will only be considered for finance if you:

  • Are at least 18 years old
  • You have a gross annual income each year of more than £5,000
  • Are a permanent UK resident and have lived in the UK for at least 3 years
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Looking to sell your Canon RF 800mm f/11 IS STM Super Telephoto Lens?

Our Verdict

As example images show the Canon RF 800mm f/11 IS STM lens is an extremely competent full-frame super telephoto wildlife option. Other subjects photographers may pursue include travel birding, sports and even aviation photography all of which benefit from this 800mm or longer range. Amateurs and enthusiasts now have an affordable option which boasts exceptional Dual Pixel CMOS AF functionality even when either of the 1.4x or 2x Extenders is mounted. Image stabilisation delivers 4 EV stops of anti shake compensation making this lens truly groundbreaking considering its compact size and light 1260g. weight. Similarly IS also works fully with a mounted Extender providing the stability super telephoto lengths require.

Clever Canon designers have made the lens barrel extendable, allowing for a far shorter length when not in use or whilst travelling or hiking. Whilst brighter conditions draw out the best in this lens, care has been taken with advanced Diffractive Optic technology and the removal of aperture blades to provide soft out of focus areas and subject isolation even at f/11 or higher. Combining all of these practical features at such an aggressive price point makes for an extremely compelling telephoto lens choice for Canon mirrorless photographers.

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Condition guide

Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.

  • Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
  • Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
    • Cameras – Should have no marks on the LCD screen
    • Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
  • Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes  with only light signs of use and the product has been fully tested and is in great working order.
    • Cameras – The LCD screen may have small signs of wear that does not affect its display
    • Lenses – The mount of the lens will start to show signs of wear
  • Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen may have scratches or wear that is starting to affect the display.
    • Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
  • Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
    • Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.

*All of our used items are listed with the accesories that are included. If they are not listed then they will not be supplied at eh epoint of purchase.

Used team

Peace of mind with our 6 month warranty

This product has been thoroughly tested by our team of photographers and we are happy to give a 6 month warranty as a result. The number of tests depends on the individual product but we are confident in this product having tested all the major functions. Anything that isn’t as you would expect, we then make a note of and show this in the condition notes on the page.

So you can be confident you are buying a great piece of kit that’s been looked after by a fellow photographer and seen many extraordinary sights, tested by our team of photographers and now looking forward to being set free to capture more great images!

Trade in your old equipment

Fast and easy trade in service ensures your old gear is collected efficiently and you are paid quickly! It's very simple to trade in your unwanted photography gear. Just head over to our dedicated Sell or Part Exchange page, fill out the details, and we'll get back to you with an offer for your old gear. Take the cash, or put it towards the cost of your new gear. It's up to you! Find out more

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