EF Lenses


EF100mm f/2 USM

  • Specifications
  • Block diagram
  • Sample Image
Marketed October 1991
Original Price 65,000 yen
Lens Construction (group) 6
Lens Construction (element) 8
No. of Diaphragm Blades 8
Minimum Aperture 22
Closest Focusing Distance (m) 0.9
Maximum Magnification (x) 0.14
Filter Diameter (mm) 58
Maximum Diameter x Length (mm) 75 x 73.5
Weight (g) 460

Despite the large maximum aperture, the lens remains compact. Lens group 5 moves for rear focusing, and sharp, crisp pictures are obtained at all apertures. The background blur is ideal for portraits. The USM autofocuses the lens quickly and quietly.

Block diagram
Photograph sample