EF Lenses


EF20-35mm f/3.5-4.5 USM

  • Specifications
  • Block diagram
Marketed March 1993
Original Price 77,000 yen
Lens Construction (group) 11
Lens Construction (element) 12
No. of Diaphragm Blades 5
Minimum Aperture 22-27
Closest Focusing Distance (m) 0.34
Maximum Magnification (x) 0.13
Filter Diameter (mm) 77
Maximum Diameter X Length (mm) 83.5 x 68.9
Weight (g) 340

Highly portable lens with high optical performance and light weight of 340 g. A very practical ultra-wide-angle zoom. The large front lens group minimizes periperal darkening, and the flare-blocking diaphragm minimizes flare. Also, with lens group 2 being the zoom group, distortion is corrected.

Block diagram