Canon

Canon 0570C005AA EF 50mm f/1.8 STM Lens

4.7 (11626 reviews)
f/1.8

Versatile and Compact: The Canon EF 50mm f/1.8 STM LensThe Canon EF 50mm f/1.8 STM Lens is a versatile prime lens perfect for everyday shooting. With a bright f/1.8 aperture and STM motor, it delivers excellent image quality and smooth autofocus. Focal Length: 50mm Maximum Aperture: f/1.8 ...

$176.66*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Versatile and Compact: The Canon EF 50mm f/1.8 STM Lens

The Canon EF 50mm f/1.8 STM Lens is a versatile prime lens perfect for everyday shooting. With a bright f/1.8 aperture and STM motor, it delivers excellent image quality and smooth autofocus.

  • Focal Length: 50mm
  • Maximum Aperture: f/1.8
  • Minimum Focusing Distance: 1.15 ft (0.35m)
  • Motor: STM Stepping Motor
  • Coatings: Super Spectra Coating
  • Mount: Canon EF

Key Features

50mm focal length and maximum aperture of f/1.8

Great for portraits, action, and nighttime photography

Minimum focusing distance of 1.15 ft. (0.35m) and a maximum magnification of 0.21x

Stepping motor (STM) delivers near silent, continous Move Servo AF for movies and smooth AF for stills

80mm effective focal-length on APS-C cameras, 50mm on full-frame cameras

Specifications

Focal Length
50mm
Maximum Aperture
f/1.8
Minimum Focusing Distance
1.15 ft. (0.35m)
Maximum Magnification
0.21x
Autofocus Motor
Stepping Motor (STM)
Effective Focal Length (APS-C)
80mm

Pros & Cons

👍 Pros

  • Offers a bright maximum aperture of f/1.8, excelling in low-light conditions and creating beautiful background blur for portraits.
  • Equipped with a Stepping Motor (STM) that delivers near-silent, continuous Movie Servo AF for smooth video recording.
  • Provides smooth autofocus for stills, enhancing image clarity and speed of capture for various subjects.
  • Features a versatile 50mm focal length, making it great for portraits, action shots, and nighttime photography.
  • Capable of a minimum focusing distance of 1.15 ft. (0.35m) and a maximum magnification of 0.21x for close-up details.
  • Functions as an 80mm effective focal length on APS-C cameras, providing a tighter field of view suitable for specific uses.

👎 Cons

  • The fixed 50mm focal length means there is no zoom capability, requiring the photographer to physically move to frame shots.
  • While suitable for action, the f/1.8 aperture might necessitate careful focusing in very fast-paced scenarios to maintain sharpness.
  • The 80mm effective focal length on APS-C cameras, while versatile, might be too narrow for wider shots without backing up.
  • This lens is specifically for Canon EF mounts, limiting its use with other camera systems or mirrorless bodies without adapters.
  • While STM is quiet, it may not be as fast as some USM lenses for extremely rapid autofocus in certain situations.

Frequently Asked Questions

The Canon EF 50mm f/1.8 STM lens is great for portraits, capturing action, and excelling in nighttime photography due to its bright f/1.8 maximum aperture.
Yes, it features a Stepping Motor (STM) which delivers near-silent, continuous Movie Servo AF, ideal for smooth video capture.
This lens has a minimum focusing distance of 1.15 ft. (0.35m), allowing you to get reasonably close to your subjects.
On APS-C cameras, the lens provides an 80mm effective focal length, offering a more zoomed-in perspective compared to its 50mm focal length on full-frame cameras.
The f/1.8 maximum aperture allows for excellent performance in low-light conditions and enables the creation of pleasing background blur (bokeh) in your images.