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Pros Pros
  • Excellent image quality with strong sharpness and contrast
  • Fast, silent, and accurate autofocus performance
  • Effective optical image stabilization for handheld shooting
  • Robust, weather-sealed build quality suitable for professional use
  • Useful ultra-wide focal range with minimal distortion
Cons Cons
  • High purchase price
  • Heavy and bulky physical design
  • Strong vignetting and edge softness at wide apertures
  • Extending barrel mechanism
  • Ergonomic issues with control ring placement

Launch price Launch price $2,299
Focal length & aperture Focal length & aperture 15-35mm f/2.8
Mount & coverage Mount & coverage Canon RF · Full-Frame
Stabilization Stabilization Optical IS, 5 stops (CIPA)
Close focus Close focus 28 cm (0.21x)
Filter thread Filter thread 82mm
Autofocus motor Autofocus motor Nano ultrasonic
Weight & size Weight & size 840g (1 lb 13.6 oz) · 88.5 x 126.8 mm (3.48 x 4.99 in)

Announcement date Announcement date August 28, 2019
Launch MSRP Launch MSRP $2,299
Lens mount Lens mount Canon RF
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 12

Focal length (wide) Focal length (wide) 15mm
Focal length (tele) Focal length (tele) 35mm
Max aperture Max aperture f/2.8
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 9

Diagonal angle of view Diagonal angle of view 110° - 30°

Autofocus motor Autofocus motor Nano ultrasonic
Minimum focus distance Minimum focus distance 28 cm
Maximum magnification Maximum magnification 0.21x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) Yes
OIS rating OIS rating 5 stops

Weight Weight 840g (1 lb 13.6 oz)
Maximum diameter Maximum diameter 88.5mm (3.48 in)
Length Length 126.8mm (4.99 in)
Filter thread Filter thread 82mm
Weather sealing Weather sealing None