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15 of 37 specs differ
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Pros Pros
  • Exceptional image quality and sharpness across the zoom range
  • Fast, accurate, and silent autofocus performance
  • Durable, weather-sealed build quality
  • Versatile focal range suitable for diverse shooting scenarios
  • Improved portability compared to the previous model
Pros
  • Sturdy, weather-sealed construction with heavy use of metal
  • High sharpness and overall optical consistency
  • Fast, quiet, and accurate autofocus system
  • Well-controlled aberrations, distortion, and vignetting
  • Versatile focal range and wide f/2.8 aperture
Cons Cons
  • Optical issues including distortion, vignetting, and flare
  • High retail price point
  • Absence of built-in image stabilization
  • Physical design drawbacks like telescoping barrel and 82mm filter size
Cons
  • Significant size and weight
  • Corner softness and distortion at specific focal lengths
  • Flare and contrast issues in backlit conditions
  • Inconsistent sample quality and aging optical design
  • Lacks image stabilization

Launch price Launch price $2,299 Launch price $2,299
Focal length & aperture Focal length & aperture 24-70mm f/2.8 Focal length & aperture 24-70mm f/2.8
Mount & coverage Mount & coverage Canon EF · Full-Frame Mount & coverage Canon EF · Full-Frame
Stabilization Stabilization None Stabilization None
Close focus Close focus 38 cm (0.21x) Close focus 38 cm (0.2857x)
Filter thread Filter thread 82mm Filter thread 77mm
Autofocus motor Autofocus motor Ring-type ultrasonic Autofocus motor Ring USM
Weight & size Weight & size 805g (1 lb 12.4 oz) · 88.5 x 113 mm (3.48 x 4.45 in) Weight & size 950g (2 lb 1.5 oz) · 84 x 4.9 mm (3.31 x 0.19 in)

Announcement date Announcement date February 7, 2012 Announcement date September 1, 2002
Launch MSRP Launch MSRP $2,299 Launch MSRP $2,299
Lens mount Lens mount Canon EF Lens mount Canon EF
Image circle coverage Image circle coverage Full-Frame Image circle coverage Full-Frame
Lens type Lens type Zoom Lens type Zoom
Lens line / series Lens line / series L-series Lens line / series L-series

Elements Elements 18 Elements 16
Groups Groups 13 Groups 13

Focal length (wide) Focal length (wide) 24mm Focal length (wide) 24mm
Focal length (tele) Focal length (tele) 70mm Focal length (tele) 70mm
Max aperture Max aperture f/2.8 Max aperture f/2.8
Minimum aperture Minimum aperture f/22 Minimum aperture f/22
Diaphragm blades Diaphragm blades 9 Diaphragm blades 8

Diagonal angle of view Diagonal angle of view 84° - 34° Diagonal angle of view 84° - 34°

Autofocus motor Autofocus motor Ring-type ultrasonic Autofocus motor Ring USM
Minimum focus distance Minimum focus distance 38 cm Minimum focus distance 38 cm
Maximum magnification Maximum magnification 0.21x Maximum magnification 0.2857x
Focus mechanism Focus mechanism Internal focus Focus mechanism Internal focus
Depth of field scale Depth of field scale — Depth of field scale Yes

Optical stabilization (OIS) Optical stabilization (OIS) No Optical stabilization (OIS) No

Aperture ring Aperture ring No Aperture ring —
AF/MF switch AF/MF switch Yes AF/MF switch Yes

Weight Weight 805g (1 lb 12.4 oz) Weight 950g (2 lb 1.5 oz)
Maximum diameter Maximum diameter 88.5mm (3.48 in) Maximum diameter 84mm (3.31 in)
Length Length 113mm (4.45 in) Length 4.9mm (0.19 in)
Filter thread Filter thread 82mm Filter thread 77mm
Weather sealing Weather sealing Partial sealing Weather sealing Partial sealing
Internal zoom Internal zoom No Internal zoom No
Tripod collar Tripod collar Not supported Tripod collar Not supported