EF Lenses


EF20mm f/2.8 USM

  • Specifications
  • Block diagram
Marketed June 1992
Original Price 75,000 yen
Lens Construction (group) 9
Lens Construction (element) 11
No. of Diaphragm Blades 6
Minimum Aperture 22
Closest Focusing Distance (m) 0.25
Maximum Magnification (x) 0.14
Filter Diameter (mm) 72
Maximum Diameter x Length (mm) 77.5 x 70.6
Weight (g) 405

Ultra-wide-angle lens for serious applications. Easy to hold and carry at 405 g. Floating rear focusing system. Sharp images are obtained at all subject distance.

Block diagram