The Canon RF 800mm f11 IS STM is a super telephoto prime lens designed for photographers who want extreme reach in a package that remains genuinely portable. It is particularly well suited to wildlife photography, birding, aviation, outdoor sports at distance, and travel situations where carrying large traditional super telephoto lenses is impractical.
With its fixed 800mm focal length, this lens allows you to isolate distant subjects with strong telephoto compression, filling the frame with detail that would otherwise be out of reach.
Why We Like This Lens at YPC Outdoors
At YPC Outdoors, we like this lens because it completely changes who super telephoto photography is accessible to. Traditionally, 800mm lenses have been heavy, expensive, and specialist tools. This lens breaks that mould.
What stands out in real use is how manageable it feels. It is light enough for extended handheld shooting, stabilisation genuinely works at long distances, and autofocus is smooth and reliable. For wildlife enthusiasts and travellers who want serious reach without serious weight, this lens is a very clever piece of kit.
Key Strengths and Limitations
Pros
• Extreme 800mm super telephoto reach
• Compact, retractable design for easy transport
• Lightweight for its class at approximately 1260 g
• Optical image stabilisation up to 4 stops
• Smooth and quiet STM autofocus
• Excellent balance on EOS R mirrorless bodies
Cons
• Fixed f11 aperture limits low light flexibility
• Not suitable for fast action in poor light
• Fixed focal length offers no zoom flexibility
Real World Performance
In real world shooting, the RF 800mm f11 performs best in good light, where its stabilisation and reach can be fully utilised. Image stabilisation allows surprisingly sharp handheld results for a lens of this focal length, making it practical for field use without a tripod.
Autofocus is smooth and accurate thanks to the STM motor, and subject tracking works well on compatible EOS R cameras. Despite the fixed aperture, image quality is crisp and detailed, particularly when photographing wildlife at distance.
The retractable design makes transport easy, allowing the lens to fit into bags that would never accommodate a traditional 800mm lens.
How It Compares to Alternatives
Compared to the Canon RF 600mm f11 IS STM, this lens offers significantly more reach, though it requires more careful technique.
Against the Canon EF 800mm f5.6L, the RF 800mm f11 is far lighter and more affordable, though it sacrifices aperture speed and low light performance.
When compared with telephoto zooms, this lens prioritises maximum reach over flexibility.
Tips for Getting the Best Results
• Shoot in good daylight conditions
• Use image stabilisation for handheld wildlife shots
• Use higher ISO settings to maintain shutter speed
• Support the lens properly for long shooting sessions
• Take advantage of telephoto compression for clean backgrounds
Alternatives Worth Considering
• Canon RF 600mm f11 IS STM for a lighter super telephoto option
• Canon RF 100–500mm f4.5–7.1L IS USM for zoom flexibility
• Canon EF 100–400mm f4.5–5.6L IS USM for adapted DSLR use
Full Technical Specification
Mount Compatibility
Canon RF mount
Focal Length
800mm
Maximum Aperture
f11 (fixed)
Minimum Aperture
f11
Focusing System
STM autofocus with full time manual focus
Lens control ring
Image Stabilisation
Yes
Up to 4 stops optical
Aperture Design
Bladeless aperture
Length (Stored)
Approximately 281.8 mm
Weight
Approximately 1260 g
Weather Sealing
Not specified
Frequently Asked Questions
Is this lens suitable for wildlife photography
Yes, it is ideal for wildlife and bird photography in good light.
Does this lens have image stabilisation
Yes, it includes up to 4 stops of optical image stabilisation.
Is autofocus fast enough for moving subjects
Yes, STM autofocus works well with EOS R subject tracking systems.
Can it be used handheld
Yes, the lightweight design and stabilisation make handheld shooting practical.
Is the aperture adjustable
No, it has a fixed f11 aperture.
Is this lens heavy
No, it is very light for an 800mm super telephoto lens.
Is it suitable for low light shooting
It performs best in good daylight conditions.
Does it have a control ring
Yes, it includes a customisable lens control ring.
Is this lens good for travel
Yes, the compact retractable design makes it very travel friendly.
Is it compatible with EOS R cameras
Yes, it is compatible with a wide range of Canon EOS R system cameras.
Buyer’s Guide
This lens is ideal for photographers who want extreme telephoto reach without the size, weight, and cost traditionally associated with super telephoto lenses. If you enjoy wildlife, birding, or distant outdoor subjects and shoot mainly in good light, the Canon RF 800mm f11 IS STM offers remarkable reach in a surprisingly practical and portable package.
Looking for more options?
Browse our full range of Camera Lenses for other great choices to suit your space, goals, and budget.
