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Canon

Canon RF 100-300mm f/2.8L IS USM

Canon's flagship telephoto zoom — effectively four L-series primes in one, holding a constant f/2.8 across the full 100-300mm range. Bought by working sports, motorsport and wildlife professionals who need reach and speed together, and who pair it with Canon's RF extenders (140-420mm f/4 or 200-600mm f/5.6) for even more range. Exceptional but extremely heavy and expensive — a working tool, not a casual lens.

Starting from
£10699 new
Available at 2 retailers
Check price at Clifton Cameras
✓ Available at 2 retailers 🔒 No signup needed 📦 UK stock only
RetailerPrice
Clifton Cameras
Clifton Cameras
£10699
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Value & Depreciation
£11499
Launch price
→
£10699
Today
=
7%
Value drop
Over ~3 years, this camera has cost roughly £267/year to own (buy at launch price, sell today).
Core
Released
2023
Lens Type
Zoom
Focal Length
100–300mm
Aperture
f/2.8
Compatible Mount
Canon RF
Filter Size
112mm
Dimensions
128mm x 323.4mm
Weight
2650g
Weather Sealed
Yes
Optics & Focus
AF Motor
Nano USM — ring-type ultrasonic motor
Optical IS
5.5-stop IS (up to 6 stops combined with in-body IS)
Aperture Blades
9
Magnification
0.16x
Min. Focus Distance
1.8m

Select up to 2 cameras to compare against the RF 100-300mm f/2.8L IS USM. It's always pinned as the baseline.

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GearScore™ — Suitability by Genre

Base score — computed from verified specs for an enthusiast shooting photo and video. Camera Match adjusts it for your skill level and priorities.

Portrait
7.7
Street
3.6
Travel
4.7
Wedding & Events
7.9
Filmmaking
6.1
Documentary
6.9
Sports & Action
8.5
Landscape
6.2
Wildlife
7.4
Casual
4.3
Food
6.2
Architecture
6.6
Underwater
5.9
✅ Great For
⚡
Sports & Action 8.5 Strong on autofocus, focal length and optical quality. Constant f/2.8 across 100-300mm with fast Nano USM AF for professional sports and motorsport work.
💍
Wedding & Events 7.9 Strong on autofocus, optical quality and weather sealing.
🧑
Portrait 7.7 Strong on optical quality, autofocus and bokeh.
⚠️ Not Ideal For
🌆
Street 3.6 Held back by portability and focal length.
📷
Casual 4.3 Held back by value for money and portability.
✈️
Travel 4.7 Held back by portability and focal length. At 2.65kg and a five-figure price, this is a professional tool, not something to carry casually.
📝 How suitability scores are calculated GearScore™ genre scores are calculated from this camera's verified specifications — autofocus, sensor, weight, weather sealing and more — weighted by what matters for each type of photography. Where a spec sheet misses something (e.g. a manual-focus rangefinder for street), we apply a documented editorial adjustment. Scores are not based on customer reviews. See our full methodology →
Price History — RF 100-300mm f/2.8L IS USM