Canon EF20mm f/2.8 USM

Canon

Canon EF20mm f/2.8 USM

📏 20mm 💡 f/2.8 🔌 Canon EF Mount 🎯 Prime ⚖️ 405g

PhotoWorkout Score

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

How we score ›
ComponentWeightScore
Customer Reviews 35% data not available
Technical Analysis 30% 58.0
Market Position 20% 65.0
Value Proposition 15% data not available

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

📖 Overview

The Canon EF 20mm f/2.8 USM is a wide-angle prime lens useful for landscapes and architectural photography. It's a compact and affordable option, though its sharpness doesn't match more modern designs.

📸 Browse 55 real-world sample photos taken with this lens by photographers worldwide on SampleShots.

📋 Specifications

Focal Length 20mm
Max Aperture f/2.8
Min Aperture f/22
Lens Type Prime
Mount Canon EF
AF Motor USM
Image Stabilization No
Autofocus Yes
Weather Sealed No
Min Focus Distance 25.0 cm
Max Magnification 0.14x
Elements / Groups 11 elements in 9 groups
Aperture Blades 5
Filter Diameter 72mm
Weight 405g
Dimensions 77.5 x 70.6mm
Release Year 1992

🛒 Where to Buy the Canon EF20mm f/2.8 USM

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🖼️ Sample Photos

Real-world photos taken with the Canon EF20mm f/2.8 USM, sourced from SampleShots.

📷 Compatible Cameras

Native Mount

+ 29 more compatible cameras

🔄 Via Adapter (24 cameras)

🔄 Other Canon Lenses