Canon RF100-400mm f/5.6-8 IS USM + EXTENDER RF2x

Canon

Canon RF100-400mm f/5.6-8 IS USM + EXTENDER RF2x

📏 100-400mm 💡 f/16 🔌 Canon RF Mount 🔍 Zoom ⚖️ 1020g 📷 IS 🌧️ Sealed

PhotoWorkout Score

Our composite editorial score for this product. Updated 2026-06-14.

How we score ›
ComponentWeightScore
Customer Reviews 35% 87.6
Technical Analysis 30% 59.2
Market Position 20% 92.0
Value Proposition 15% data not available

Age adjustment: ×0.92 (older models get a slight downward adjustment so newer products with current technology are fairly represented).

📖 Overview

The Canon RF100-400mm is a super-telephoto zoom lens that offers a long reach at a relatively affordable price, especially when paired with the RF 2x extender. It's well-suited for wildlife and sports photography, where distance is crucial. However, the slow aperture range, especially when combined with the extender, means it really needs bright conditions to shine.

📸 Browse 96 real-world sample photos taken with this lens by photographers worldwide on SampleShots.

📋 Specifications

Focal Length 100-400mm
Max Aperture f/16
Min Aperture f/45
Lens Type Zoom
Mount Canon RF
AF Motor Nano USM
Image Stabilization Yes
Autofocus Yes
Weather Sealed Yes
Min Focus Distance 289.0 cm
Max Magnification 0.82x
Elements / Groups 18 elements in 14 groups
Aperture Blades 9
Weight 1020g

🛒 Where to Buy the Canon RF100-400mm f/5.6-8 IS USM + EXTENDER RF2x

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🖼️ Sample Photos

Real-world photos taken with the Canon RF100-400mm f/5.6-8 IS USM + EXTENDER RF2x, sourced from SampleShots.

📷 Compatible Cameras

Native Mount

+ 3 more compatible cameras

🔄 Other Canon Lenses