Canon EF 50mm f/1.8 STM Lens

MX57609 EF 50mm f/1.8 STM Lens
MX57609 EF 50mm f/1.8 STM Lens

Product Info

A 50mm f/1.8 STM Lens With Excellent Optics

Compact and lightweight-an outstanding walk-around lens-Canon's EF 50mm f/1.8 STM is a great entry into the world of EOS prime lenses. As well, which experienced Photographer doesn't have a quality 50mm lens in their Bag?

An Outstanding Compact, Lightweight Walk Around Lens
With an 80mm effective focal-length on APS-C cameras; 50mm on full-frame cameras, it's an excellent prime lens for portraits, action, even nighttime photography. Its bright maximum aperture of f/1.8 helps it not only to excel in low light, but also to capture gorgeous, sharp images and movies with beautiful background blur thanks to its circular 7-blade design.


  • Compact, lightweight fixed focal length lens ideal for everyday photos, and with a large f/1.8 aperture, a perfect lens for low-light photography and creative background blur
  • 80mm effective focal-length when attached to an APS-C camera, optimal for portraits and photos of fast moving subjects such as children and pets
  • A stepping motor (Gear-type STM) supports the Movie Servo AF function in providing smooth and quiet continuous AF during video recording, as well as when shooting photos
  • Improved exterior design includes new focus ring placement making it the most compact Canon 50mm lens
  • Metal mount helps provide stability and ruggedness
  • Optimized lens placement and coatings help deliver outstanding color balance, while minimizing ghosting and flare
  • Circular aperture (7 blades) helps deliver beautiful, soft backgrounds
  • Minimum focusing distance of 1.15 ft. (0.35m); maximum magnification of 0.21x

Outstanding 50mm STM Performance

An updated lens arrangement with new lens coatings helps render images with excellent color balance, plus minimized ghosting and flare. Performance is brilliant, with a stepping motor (gear-type STM) to deliver near silent, continuous Movie Servo AF for movies plus speedy, smooth AF for stills. A redesigned exterior with improved focus ring placement makes manual focus adjustments a breeze. Canon's most compact 50mm lens, the EF 50mm f/1.8 STM has a rugged metal mount, plus an improved minimum focusing distance of 1.15 ft. (0.35m) and a maximum magnification of 0.21x. Offering sharp performance for the best in movies and stills, it's a fixed focal length gem-the perfect lens for photographers and movie makers to expand the creative possibilities with their EOS cameras.

Sample Image


MTF Chart



Focal Length 50mm
Maximum Aperture 1:1.8
Lens Construction 6 Elements in 5 Groups
Angle Of View 46° Diagonal
Focus Adjustment AF with full-time manual
Closest Focus 350mm (1.15 feet)
Filter Size 49mm
Maximum Dimensions 41.0 x 68.2 x 68.2mm (1.6 x 2.7 x 2.7")
Weight 160g (5.7oz) lens only

Package Contents

  • Canon EF 50mm f/1.8 STM
  • Front Lens Cap
  • Rear Dust Cap