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Certified Keeper Canon EF-S 24mm f/2.8 STM
87 PixelMeter Score 20 reviews

Pros Pros
  • Extremely compact and lightweight design
  • Excellent center sharpness and image quality
  • Highly affordable price point
  • Fast, quiet, and accurate autofocus performance
  • Close minimum focusing distance for macro-like utility
Cons Cons
  • Noticeable light falloff and vignetting at maximum aperture
  • Presence of barrel distortion and chromatic aberration
  • Mediocre bokeh quality and potential for flare
  • Small, fiddly manual focus ring and focus-by-wire lag
  • Absence of built-in image stabilization

Launch price Launch price $149.99
Focal length & aperture Focal length & aperture 24mm f/2.8
Mount & coverage Mount & coverage Canon EF-S · APS-C
Stabilization Stabilization None
Close focus Close focus 16 cm (0.27x)
Filter thread Filter thread 52mm
Autofocus motor Autofocus motor Stepper motor
Weight & size Weight & size 125g (4.4 oz) · 68.2 x 22.8 mm (2.69 x 0.90 in)

Announcement date Announcement date September 15, 2014
Launch MSRP Launch MSRP $149.99
Lens mount Lens mount Canon EF-S
Image circle coverage Image circle coverage APS-C

Elements Elements 6
Groups Groups 5

Focal length (wide) Focal length (wide) 24mm
Focal length (tele) Focal length (tele) 24mm
Max aperture Max aperture f/2.8
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 7

Diagonal angle of view Diagonal angle of view 59° - 10°

Autofocus motor Autofocus motor Stepper motor
Minimum focus distance Minimum focus distance 16 cm
Maximum magnification Maximum magnification 0.27x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) No

Weight Weight 125g (4.4 oz)
Maximum diameter Maximum diameter 68.2mm (2.69 in)
Length Length 22.8mm (0.90 in)
Filter thread Filter thread 52mm
Weather sealing Weather sealing None