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Pros Pros
  • Fast, consistent, and reliable autofocus performance
  • Significant weight reduction and improved handling compared to the previous model
  • Exceptional image sharpness and optical quality even at wide apertures
  • Effective 4-stop image stabilization
  • Robust, high-quality build and weather sealing
Cons Cons
  • Substantial physical size and weight that can cause fatigue
  • Very high price point
  • Limited close-focusing capabilities
  • Minor mechanical inconveniences like the lens cap fit and hood screw design
  • Visible vignetting when shooting at f/4

Launch price Launch price $12,999
Focal length & aperture Focal length & aperture 600mm f/4
Mount & coverage Mount & coverage Canon EF · Full-Frame
Stabilization Stabilization Optical IS
Close focus Close focus (0.15x)
Filter thread Filter thread 52mm
Weight & size Weight & size 3920g (8 lb 10.3 oz) · 168 x 448 mm (6.61 x 17.64 in)

Announcement date Announcement date February 7, 2011
Launch MSRP Launch MSRP $12,999
Lens mount Lens mount Canon EF
Image circle coverage Image circle coverage Full-Frame

Elements Elements 16
Groups Groups 12
Front fluorine coating Front fluorine coating Yes

Focal length (wide) Focal length (wide) 600mm
Max aperture Max aperture f/4
Minimum aperture Minimum aperture f/32
Diaphragm blades Diaphragm blades 9

Diagonal angle of view Diagonal angle of view 4° - 10°

Maximum magnification Maximum magnification 0.15x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) Yes

Aperture ring Aperture ring No

Weight Weight 3920g (8 lb 10.3 oz)
Maximum diameter Maximum diameter 168mm (6.61 in)
Length Length 448mm (17.64 in)
Filter thread Filter thread 52mm
Weather sealing Weather sealing None
Tripod collar Tripod collar Included