Canon EF300mm f/2.8L IS II USM +2x III

Canon

Canon EF300mm f/2.8L IS II USM +2x III

📏 300mm 💡 f/2.8 🔌 Canon EF Mount 🎯 Prime ⚖️ 2350g 📷 IS 🌧️ Sealed
MSRP $7,299

PhotoWorkout Score

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

How we score ›
ComponentWeightScore
Customer Reviews 35% 88.2
Technical Analysis 30% 72.0
Market Position 20% 65.0
Value Proposition 15% 66.1

Age adjustment: ×0.85 (older models get a slight downward adjustment so newer products with current technology are fairly represented).

📖 Overview

The Canon EF 300mm f/2.8L IS II USM is a professional-grade telephoto prime lens, often paired with a 2x extender for even greater reach. It's designed for sports and wildlife photography where speed and image quality are paramount. The sheer size and weight make it less suitable for casual use.

📸 Browse 33 real-world sample photos taken with this lens by photographers worldwide on SampleShots.

📋 Specifications

Focal Length 300mm
Max Aperture f/2.8
Min Aperture f/32
Lens Type Prime
Mount Canon EF
AF Motor Ring USM
Image Stabilization Yes
Autofocus Yes
Weather Sealed Yes
Min Focus Distance 200.0 cm
Max Magnification 0.18x
Elements / Groups 16 elements in 12 groups
Aperture Blades 9
Filter Diameter 52mm
Weight 2350g
Dimensions 128.0 x 248.0mm
Release Year 2011
MSRP $7,299

🛒 Where to Buy the Canon EF300mm f/2.8L IS II USM +2x III

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🖼️ Sample Photos

Real-world photos taken with the Canon EF300mm f/2.8L IS II USM +2x III, sourced from SampleShots.

📷 Compatible Cameras

Native Mount

+ 29 more compatible cameras

🔄 Via Adapter (24 cameras)

🔄 Other Canon Lenses