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Pros Pros
  • Highly compact and lightweight design
  • Strong optical performance and sharpness
  • Solid build quality
  • Well-controlled chromatic aberration and distortion
  • Affordable price point
Cons Cons
  • Noticeable corner softness and vignetting at wider apertures
  • Audible and slow autofocus performance
  • Fiddly or subpar build construction
  • Distortion and optical issues in specific conditions
  • Lack of modern features like weather sealing or internal focus motor

Launch price Launch price $230
Focal length & aperture Focal length & aperture 28mm f/2.8
Mount & coverage Mount & coverage Canon EF · Full-Frame
Filter thread Filter thread 52mm
Autofocus motor Autofocus motor Micromotor
Weight & size Weight & size 185g (6.5 oz) · 67.4 x 42.5 mm (2.65 x 1.67 in)

Announcement date Announcement date April 1, 1987
Launch MSRP Launch MSRP $230
Lens mount Lens mount Canon EF
Image circle coverage Image circle coverage Full-Frame

Elements Elements 5
Groups Groups 5

Focal length (wide) Focal length (wide) 28mm
Focal length (tele) Focal length (tele) 28mm
Max aperture Max aperture f/2.8
Diaphragm blades Diaphragm blades 5

Diagonal angle of view Diagonal angle of view 75°

Autofocus motor Autofocus motor Micromotor
Focus mechanism Focus mechanism Unit focus

Weight Weight 185g (6.5 oz)
Maximum diameter Maximum diameter 67.4mm (2.65 in)
Length Length 42.5mm (1.67 in)
Filter thread Filter thread 52mm
Weather sealing Weather sealing None