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Pros Pros
  • Compact and portable design
  • High build quality with solid construction
  • Excellent sharpness in the center of the frame
  • Smooth manual focus operation
  • Effective flare resistance
Cons Cons
  • Weak edge and corner sharpness at wide apertures
  • Significant vignetting and coma on full-frame sensors
  • Presence of chromatic aberration and purple fringing
  • Moderate field curvature
  • Lacks an aperture ring lock for automated camera control

Launch price Launch price $599
Focal length & aperture Focal length & aperture 28mm f/2.8
Mount & coverage Mount & coverage Canon EF, Nikon F · Full-Frame
Stabilization Stabilization None
Close focus Close focus 15 cm
Filter thread Filter thread 52mm
Weight & size Weight & size 180g (6.3 oz) · 70.1 x 26.92 mm (2.76 x 1.06 in)

Announcement date Announcement date August 1, 2012
Launch MSRP Launch MSRP $599
Lens mount Lens mount Canon EF, Nikon F
Image circle coverage Image circle coverage Full-Frame

Elements Elements 7
Groups Groups 6

Focal length (wide) Focal length (wide) 28mm
Focal length (tele) Focal length (tele) 28mm
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 74.8°

Minimum focus distance Minimum focus distance 15 cm

Optical stabilization (OIS) Optical stabilization (OIS) No

Aperture ring Aperture ring Yes

Weight Weight 180g (6.3 oz)
Maximum diameter Maximum diameter 70.1mm (2.76 in)
Length Length 26.92mm (1.06 in)
Filter thread Filter thread 52mm
Weather sealing Weather sealing None