Canon EF 50mm f/1.8 STM – Compact Prime Lens

Canon EF 50mm f/1.8 STM – Compact Prime Lens

The Canon EF 50 mm f/1.8 STM (often called the “Nifty Fifty”) is a highly popular, affordable prime lens that brings excellent value and image quality. Thanks to its bright f/1.8 aperture, this lens excels in low-light conditions and offers beautiful background blur for portraits and creative shots.

Its STM (Stepping Motor) autofocus system provides smooth and quiet focusing — ideal for both stills and video. Despite its low cost, the lens has a metal mount, giving it more durability than older plastic-mount versions. The optical design includes 6 elements in 5 groups, with Canon’s Super Spectra coating to minimize flare and ghosting, enhancing contrast and color fidelity.

Weighing only 160 g and measuring just 39.3 mm in length, this prime is super portable and perfect for carrying around all day. With a 0.35 m minimum focus distance and a maximum magnification of 0.21×, it’s capable of pleasing close-ups as well.

 Features

• 50 mm fixed prime focal length — classic “standard” perspective

• Maximum aperture: f/1.8 for low-light and shallow depth of field

• STM autofocus — smooth and near‑silent for video and stills

• 6 elements in 5 groups optical design

• 7‑blade diaphragm for pleasing bokeh

• Closest focusing distance: 0.35 m

• Maximum magnification: 0.21×

• Filter thread: 49 mm

• Weight: ~160 g

• Metal mount (durable)

• Lens cap: E‑49; Lens hood: ES‑68; Lens pouch: LP1014