Canon EF 20mm f/2.8 USM

The Canon EF 20mm f/2.8 USM is a compact and affordable wide-angle prime lens designed for full-frame sensors. Its f/2.8 aperture offers good low-light performance and depth of field control. This lens provides a broad perspective, making it suitable for landscapes, architectural interiors, and general wide-angle videography. The ring-type USM delivers fast and quiet autofocus. Its lightweight design and straightforward optics make it a practical choice for filmmakers seeking a wide field of view without the bulk or cost of L-series alternatives. 

Overview

  • Compact and affordable wide-angle prime lens 
  • Fast f/2.8 aperture for low light and depth of field control 
  • Broad 20mm perspective for expansive shots 
  • Fast and quiet ring-type USM autofocus 
  • Suitable for landscapes, architecture, and general wide videography 
  • Lightweight and portable design 
  • Good image quality for its class 
  • Cost-effective wide-angle solution

Affordable Wide Angle
Offers a cost-effective entry point into wide-angle full-frame prime lenses, making it accessible for independent filmmakers.

Versatile 20mm Perspective
Provides a naturally wide field of view that’s useful for establishing shots, environmental storytelling, vlogging, and capturing a broader scene.

Good for Low Light
The f/2.8 aperture allows for decent performance in dimmer conditions and offers some creative control over depth of field.

Fast & Quiet AF
The ring-type USM provides quick and relatively silent autofocus, which is beneficial for both stills and video.

Compact & Lightweight
Its small size and light weight make it a portable option for run-and-gun setups or when trying to keep gear minimal.

General Purpose Wide
While not an L-series, it offers good general image quality, making it a reliable choice for less critical wide-angle cinematic applications.