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15 of 37 specs differ
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Pros 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
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
Cons 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
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

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 (0.2857x) Close focus 38 cm (0.21x)
Filter thread Filter thread 77mm Filter thread 82mm
Autofocus motor Autofocus motor Ring USM Autofocus motor Ring-type ultrasonic
Weight & size Weight & size 950g (2 lb 1.5 oz) · 84 x 4.9 mm (3.31 x 0.19 in) Weight & size 805g (1 lb 12.4 oz) · 88.5 x 113 mm (3.48 x 4.45 in)

Announcement date Announcement date September 1, 2002 Announcement date February 7, 2012
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 16 Elements 18
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 8 Diaphragm blades 9

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

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

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

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

Weight Weight 950g (2 lb 1.5 oz) Weight 805g (1 lb 12.4 oz)
Maximum diameter Maximum diameter 84mm (3.31 in) Maximum diameter 88.5mm (3.48 in)
Length Length 4.9mm (0.19 in) Length 113mm (4.45 in)
Filter thread Filter thread 77mm Filter thread 82mm
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