Canon RF 800mm F11 IS STM - 795097
What our Experts Think
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Huge reach in a compact package: Delivers a true 800 mm super‑telephoto view in a surprisingly lightweight, retractable design, making distant subjects like wildlife, birds, and aircraft much easier to frame.
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Affordable long‑lens option: Its fixed f/11 aperture and streamlined optics reduce cost and size compared to traditional super‑telephoto lenses, offering excellent value for photographers who need extreme reach without a massive budget.
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Effective image stabilization: Built‑in 4‑stop optical IS helps keep shots sharp when handheld — crucial at such long focal lengths.
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Smooth & quiet AF: STM focusing motor provides reliable, quiet autofocus for stills and video, even though the fixed aperture isn’t ideal in low light.
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Good real‑world handling: Reviewers note it’s surprisingly manageable handheld and isn’t as front‑heavy as many telephoto lenses, so it’s easier to shoot with for extended periods.
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Limitations to consider: The fixed f/11 aperture means you’ll need good light or high ISO for fast shutter speeds, and lack of weather sealing or aperture control may limit flexibility.
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Unique but worthwhile: While niche, many photographers appreciate its performance and reach in bright conditions, especially for subjects always far away.
Q&A
Q: What is this lens?
A: A super‑telephoto prime lens for Canon RF‑mount full‑frame mirrorless cameras, offering extremely long reach in a compact design.
Q: What focal length and aperture does it have?
A: 800 mm focal length with a fixed f/11 aperture.
Q: Is it lightweight and portable?
A: Yes — lightweight (~1,260 g) and retractable for easy transport compared with typical 800 mm lenses.
Q: Does it have image stabilization?
A: Yes — built‑in optical IS provides roughly 4 stops of shake correction.
Q: How is autofocus performance?
A: Uses a smooth, quiet STM motor for autofocus optimized for stills and video.
Q: What’s the minimum focus distance?
A: Approximately 6 m (19.7 ft) with ~0.14× magnification.
Q: Can it use teleconverters?
A: Yes — compatible with Canon RF 1.4× and 2× extenders for greater reach.
Q: What photography is it best suited for?
A: Ideal for wildlife, birds, aviation, sports, and distant subjects where extreme reach matters.
Q: What are key trade‑offs?
A: Fixed f/11 limits low‑light performance and depth‑of‑field control compared with faster lenses, but enables a much smaller and lighter super‑telephoto optic.
Q: What filter size does it use?
A: 95 mm front filter thread.
Q: Who should consider this lens?
A: Enthusiasts and photographers on a budget who want true 800 mm reach in a relatively portable package.
Maintenance Tips
- Clean front and rear elements gently with microfiber cloth + air blower
- Always use front & rear lens caps to prevent dust and scratches
- Store in a padded case or dry box with silica gel to avoid fungus
- Avoid touching optical surfaces directly
- Keep away from extreme heat, humidity, and sudden temperature changes
- Wipe lens mount contacts occasionally for stable AF and IS communication
- Handle carefully—long focal length increases risk of impact damage
- Use tripod or monopod to reduce strain and vibration
- Inspect lens periodically for dust, fungus, or mechanical issues
