CANON EF28mm f/1.8 USM Lens

  • Filter size : 58mm
  • Max aperture : f/1.8
  • With ring USM motor
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EF28mm f/1.8 USM

This is a large aperture lens that provides impressively natural delineation and beautiful shading, as well as excellent performance for indoor photography taking advantage of the bright maximum aperture of f/1.8. The optical system incorporates aspherical lenses, which not only keep the lens size down but also reduce spherical aberration and deliver sharp picture quality. A flare-cut diaphragm installed behind group 1 blocks unwanted light to ensure highest contrast. Operability is enhanced by inclusion of a ring-type USM for silent, high-speed AF with full-time manual focus and a non-rotating filter mount.

  • Focal length and maximum aperture : 28 mm 1:1.8
  • Lens construction : 10 elements in 9 groups
  • Diagonal angle of view : 75°
  • Focus adjustment : Ring-type USM, rear focusing system, full-time manual focus
  • Closest focusing distance : 0.25 m/ 0.8 ft., 0.18 x magnification
  • Filter size : 58 mm
  • Max. diameter x length, weight : ø 73.6 x 55.6 mm, 310 g/ 2.9” x 2.2”, 10.9 oz.



Angle of View (Diagonal) 75°
Angle of View (Horizontal) 65°
Angle of View (Vertical) 46°
Closest Focusing Distance (m, ft) 0.25/0.8
Construction (groups elements) 9-10
Diameter x Length (mm) (Max.) 73.6 x 55.6
Distance Scale o
Drive System Ring-type USM
Filter Size (mm) 58
Max. Magnification (x) 0.18
Min. Aperture 22
No. of Diaphragm Blades 7
Anti-dust and Moisture Not Supported
Weight (g) (Approx.) 310
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