- The RF 800mm F5.6L IS USM is Canon’s shortest and lightest 800mm L-series lens yet weighing just over 3.1kg
- Lens combines with in-camera stabilisation for an impressive 4.5-stop advantage when shooting handheld
- Advanced optical design renders superb detail with extremely well controlled aberrations
- Circular 9-bladed aperture with a wide f/5.6 maximum deliver beautiful soft, out of focus areas in the image
- Legendary L-series build quality includes Fluorine coating and a dust and moisture resistant casing
Key Features
- Weighs just over 3.1kg and measures just 163mm x 432mm
- Up to 4.5 stops image stabilisation
- Compatible with RF 1.4x and RF 2x extender
- 9-blade circular aperture can move in 1/8th steps
- Front element fluorine coating
- Minimum focusing distance of 2.6m
- Dust and drip-proof design.
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Canon RF 800mm f/5.6 L IS USM Lens Summary
With a bright aperture and 4.5 stops Image Stabilisation, the Canon RF 800mm f/5.6 L IS USM Lens is an extremely capable super telephoto prime for  users. The lens weighs just over 3.1kg making it ideal to capture distant subjects including sports, action and wildlife. The RF 800mm f/5.6 L IS USM is designed with a 9-blade circular aperture which renders buttery smooth bokeh and out of focus areas, and is also fully compatible with the  and  for even greater reach.
With Fluorite, Super UD and UD elements, the RF 800mm F5.6L IS USM lens is capable of rendering high image resolution with excellent correction of chromatic aberration. A class leading 2.6m minimum focusing distance provides versatility, allowing subjects to be tracked over an even greater range.
Canon RF 800mm f/5.6 L IS USM Lens in More Detail
Harness the power of the EOS R system
With their super telephoto capabilities and light weight, the super telephoto prime is the perfect companion for the  for sports photography. Working in tandem with the camera’s AF system, the RF 800mm F5.6L keeps track of subjects at up to 30fps. With a Ring USM Drive, Dual Power Drive, high-speed CPU and optimised AF algorithm, the lens provides fast, yet quiet autofocusing, ideal for capturing fast moving wildlife and video. The customisable AF stop buttons on the lens also give photographers enhanced control when focusing on subjects. As part of the , photographers receive the added benefit of being able to use the same accessories across the range, including filters and hoods, for enhanced flexibility.
Push performance limits
The RF 800mm F5.6L IS USM is built to get results combining a fast f/5.6 aperture with 4.5-stop Image Stabiliser. Fluorite, UD and Super UD lens elements with advanced coatings, have allowed Canon to design a lens which sets new standards in optical excellence.
Confident control
This is Canon’s shortest and lightest 800mm L-series lens ever made thanks to the inclusion of an advanced optical design. Optimised weight distribution inspires confidence in the user, while full-time manual focus is always available for precise AF control.
Tough and responsive
A highly favoured L-series design puts the priority on usability, with a lightweight magnesium alloy casing with heat insulating paint which protects optics while dust and moisture is repelled by Fluorine on the outer elements.
Built for EOS R
The RF 800mm F5.6L IS USM sits at the top of the Canon lens range together with the  released at the same time. An aperture mechanism with 1/8th stop increments and a minimum focus distance of just 2.6m bring superior flexibility, while the IS system works with in-body IS for even better stability.
Take control
The RF 800mm F5.6L has a host of custom options along with two focus pre-sets and a customisable AF stop button. It is also fully compatible with RF extenders and focus direction can even be reversed to match your workflow.
Canon RF 800mm f/5.6 L IS USM Lens Specifications
| Image size | Full Frame |
| Angle of View (Horzntl, Vertl, Diagnl) | 02°35’, 01°40’, 03°05’ |
| Lens Construction (elements/groups) | 26/18 |
| Special Optics | 2x Fluorite, 1X SUD, 1x UD |
| No. of diaphragm blades | 9 |
| Minimum Aperture | 64 |
| Closest Focusing Distance (m) | 2.6 |
| Maximum Magnification (x) | 0.34 |
| Control Ring | via Focus ring |
| Image Stabilizer OIS1 | 4 |
| Image Stabilizer IBIS x OIS1 | 4.5 |
| AF Actuator | Ring USM |
| Coatings | ASC, Super Spectra |
| Fluorine | Front |
| PHYSICAL SPECIFICATIONS | Â |
| Dust/Moisture Resistance2 | Yes |
| Exterior Coating | Heat Shield |
| Filter Diameter (mm) | 52 |
| Max. Diameter x Length (mm) | 163 x 432 |
| Weight (g) | 3140 |
What’s in the Box
- RF 800mm F5.6L IS USM
- Lens cap E-180E
- Lens Hood ET-155 (WIII)
- Soft lens case LS600
- Lens wide strap
| Offers: Price Drop |
| Offer Category: N/A |
| Offer Product Type: N/A |
| Autofocus: Yes |
| Aperture ring: N/A |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): 163 |
| Length (mm): 432 |
| Weight (g): 3140 |
| Distance scale: N/A |
| DoF scale: N/A |
| Elements: 26 |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 800 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: Yes |
| Groups: 18 |
| Hood supplied: Yes |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 800 |
| Maximum magnification: 0.34 |
| Maximum aperture (number): 5.6 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 800 |
| Lens Minimum focus distance (m): 2.6 |
| Minimum aperture (number): 64 |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: 9 |
| Power zoom: N/A |
| Special elements / coatings: 2 Fluorite, 1 Super UD, 1 UD (Ultra-low Dispersion). |
| Tripod collar: Yes |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| 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: N/A |
| 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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