EF Lenses


EF100-400mm f/4.5-5.6L IS USM

  • Specifications
  • Block diagram
Marketed November 1998
Original Price 260,000 yen (w/case, hood and tripod collar)
Lens Construction (group) 14
Lens Construction (element) 17
No. of Diaphragm Blades 8
Minimum Aperture 32-38
(32-40 for cameras featuring 1/3-stop markings)
Closest Focusing Distance (m) 1.8
Maximum Magnification (x) 0.2
Filter Diameter (mm) 77
Maximum Diameter X Length (mm) 92 X 189
Weight (g) 1,360

The Canon EF 100-400mm f/4.5-5.6L IS USM lens is the fourth EF lens, and first L-type zoom lens, to incorporate an Image Stabilizer. The inclusion of the Image Stabilizer counteracts the effect of camera shake, providing the equivalent of a shutter speed that is two stops faster.

Block diagram

Fluorite Lenses  Super UD Lens