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Certified Keeper Canon EF 11-24mm f/4L USM
86 PixelMeter Score 21 reviews

Pros Pros
  • Fast, quiet, and accurate autofocus
  • Effective control of chromatic aberration and distortion
  • Exceptional sharpness and image quality across the zoom range
  • Impressive, unique ultra-wide focal range
  • High-quality, rugged construction
Cons Cons
  • Presence of vignetting, chromatic aberration, and edge softness
  • Heavy, bulky, and difficult to transport
  • High price point
  • Bulbous front element prevents use of standard screw-on filters
  • Lack of image stabilization

Launch price Launch price $2,999
Focal length & aperture Focal length & aperture 11-24mm f/4
Mount & coverage Mount & coverage Canon EF · Full-Frame
Stabilization Stabilization None
Close focus Close focus 28 cm (0.16x)
Autofocus motor Autofocus motor Ultrasonic
Weight & size Weight & size 1180g (2 lb 9.6 oz) · 108 x 132 mm (4.25 x 5.20 in)

Announcement date Announcement date February 5, 2015
Launch MSRP Launch MSRP $2,999
Lens mount Lens mount Canon EF
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Zoom
Lens line / series Lens line / series L-series

Elements Elements 16
Groups Groups 11
Special elements Special elements 2 UD, 1 Super UD, 3 aspherical
Coatings Coatings Subwavelength Structure Coating (SWC), Air Sphere Coating (ASC)
Front fluorine coating Front fluorine coating Yes

Focal length (wide) Focal length (wide) 11mm
Focal length (tele) Focal length (tele) 24mm
Max aperture Max aperture f/4
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 9

Diagonal angle of view Diagonal angle of view 126° - 5°

Autofocus motor Autofocus motor Ultrasonic
Minimum focus distance Minimum focus distance 28 cm
Maximum magnification Maximum magnification 0.16x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) No

AF/MF switch AF/MF switch Yes

Weight Weight 1180g (2 lb 9.6 oz)
Maximum diameter Maximum diameter 108mm (4.25 in)
Length Length 132mm (5.20 in)
Weather sealing Weather sealing Full weather sealing
Internal zoom Internal zoom Yes
Tripod collar Tripod collar Not supported

Lens hood Lens hood Built-in
Teleconverter compatibility Teleconverter compatibility Not supported