Brands Guides About
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens — main product image
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens
Canon

Canon EF-S2428STM 24mm f/2.8 STM Pancake Lens

★★★★★4.7 (5601 reviews)

Slip a tack-sharp 24mm prime into your pocket and shoot APS-C street, travel, and documentary work without the bulk.

$129.00*
✓ 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

The Canon EF-S 24mm f/2.8 STM exists at an interesting intersection: a prime lens small enough to forget you're wearing it, with image quality honest enough to produce work you're proud of. On an APS-C body, its ~38mm equivalent view is one of the most versatile perspectives in photography — wide enough for environmental context, tight enough to feel intimate. Street photographers, documentary shooters, and travelers who want a camera they can carry all day without muscle fatigue find it transforms how freely they shoot. The lens doesn't demand your attention; it just stays ready.

Build quality is honest for the price — polycarbonate construction keeps weight to a minimum, and the STM focus motor is notably smooth and quiet for video applications. At f/2.8, corner sharpness is competent without being exceptional; stop down to f/5.6 and the image snaps into edge-to-edge clarity that rewards careful composition. The 52mm filter thread and 7-blade aperture round out a package that feels considered rather than compromised. It won't challenge Canon's L-series glass in demanding conditions, but for the photographer who wants a capable prime they'll actually carry every day, it delivers reliably.

Specifications

Brand
Canon
Model
EF-S 24mm f/2.8 STM
Mount
Canon EF-S
Focal Length
24mm
Maximum Aperture
f/2.8
Lens Construction
6 elements in 5 groups
Minimum Focusing Distance
0.52 ft (0.16 m)
Filter Size
52mm
Aperture Blades
7 (circular)

Pros & Cons

👍 Pros

  • The pancake form factor dramatically reduces camera profile — ideal for street photography where a smaller rig draws less attention and fatigue.
  • 38mm equivalent perspective on APS-C produces natural-looking environmental portraits without the distortion of wider primes.
  • Minimum focusing distance of 0.52 ft (0.16 m) allows close, intimate framing that kit zoom lenses can't approach.
  • STM motor runs silent during video recording, making it practical for hybrid shooters who want clean audio alongside their footage.
  • Lightweight enough to leave on the camera all day without noticing it — true everyday carry glass.

👎 Cons

  • No optical image stabilization means handheld performance in low light depends entirely on technique or in-body stabilization.
  • F/2.8 maximum aperture limits background blur at this focal length — bokeh is subtle rather than dramatic, especially at distance.
  • STM autofocus hunts visibly in low-contrast or dim conditions, making it less reliable for fast-moving subjects after dark.
  • EF-S mount restricts this lens to APS-C Canon bodies only — it won't transition to a full-frame upgrade.
  • Six-element optical construction is competent but can show some chromatic aberration at wide aperture in high-contrast scenes.

Frequently Asked Questions

On any Canon APS-C body (crop factor 1.6x), the 24mm becomes approximately 38mm equivalent — very close to a classic 40mm or "normal" perspective. It's wide enough to include environmental context in portraits and street work, but not so wide that it distorts faces at close range.
STM (Stepping Motor) autofocus was designed with smooth, near-silent video AF in mind — it won't produce the clunky hunting noise of older USM lenses on video. For stills, it's responsive in good light but noticeably slower in low light than Canon's faster ring USM lenses.
F/2.8 gives you meaningful separation from a standard kit lens and handles indoor ambient well in moderate light. In dim venues or at night, you'll be pushing ISO — f/2.8 isn't a substitute for an f/1.8 or faster prime if low-light performance is your primary need.
No — the EF-S 24mm f/2.8 STM has no optical image stabilization. If your body has in-body IS (some Canon bodies do not), that will compensate; otherwise plan for higher shutter speeds in lower light.
It is an EF-S mount lens designed specifically for APS-C sensors. It will physically mount on full-frame Canon EF bodies but will produce severe vignetting and is not recommended for full-frame use.

Related Products