Canon EF 50mm f/1.8 STM Prime Lens Assembly (YG2-3004-010)

For photographers stepping up from kit zooms, the Canon EF 50mm f/1.8 STM offers a dramatic leap in image quality and low-light capability. This lens assembly (YG2-3004-010) delivers a classic 50mm focal length with a bright f/1.8 maximum aperture, ideal for portraits, everyday shooting, and creative depth-of-field control. The stepping motor (STM) ensures smooth, near-silent autofocus, making it equally suited to stills and video. Its compact, lightweight design and metal lens mount provide durability without weighing down your kit.

Highlights

• Bright f/1.8 maximum aperture for beautiful background blur and low-light performance
• Stepping motor (STM) for fast, quiet autofocus during stills and video
• 49mm filter thread accepts a wide range of creative filters
• Rounded 7-blade diaphragm produces pleasing bokeh
• Full-frame compatible; on APS-C cameras, equivalent to 80mm

In daily use

The 50mm focal length is a versatile workhorse, perfect for portraits, street photography, and everyday moments. The f/1.8 aperture lets you isolate subjects with creamy backgrounds and shoot in dim conditions without a flash. The STM autofocus is quick and virtually silent, so you won't disturb your subject or introduce noise into video recordings. Manual focus override is always available for precise control. The compact size makes it easy to carry all day, and the 49mm filter thread lets you add a UV filter for protection or a circular polarizer to reduce reflections.

Full specifications

• Lens Mount: Canon EF
• Focal Length: 50mm
• Maximum Aperture: f/1.8
• Minimum Aperture: f/22
• Lens Type: Prime Lens
• Autofocus Motor Type: Stepping Motor (STM)
• Optical Design: 6 elements in 5 groups
• Diaphragm Blades: 7, Rounded
• Minimum Focus Distance: 0.35 m (1.15 ft)
• Maximum Magnification: 0.21x
• Filter Size: 49mm
• Angle of View (Diagonal): 46°
• Image Stabilization: No
• Full-Frame Compatibility: Yes
• APS-C Equivalent Focal Length: 80mm (approx.)
• Construction: Plastic barrel, Metal mount
• Weather Sealing: No
• Focus Type: Autofocus (AF) and Manual Focus (MF)

Final note

A compact and affordable prime lens that delivers sharp images and beautiful bokeh, making it an essential addition to any Canon EF-mount photographer's kit.