EF Lenses


EF100-300mm f/4.5-5.6 USM

  • Specifications
  • Block diagram
Marketed June 1990
Original Price 52,800 yen
Lens Construction (group) 10
Lens Construction (element) 13
No. of Diaphragm Blades 8
Minimum Aperture 40
Closest Focusing Distance (m) 1.5
Maximum Magnification (x) 0.2
Filter Diameter (mm) 58
Maximum Diameter x Length (mm) 73 x 121.5
Weight (g) 540

Highly practical and portable telephoto zoom lens. The five zoom groups make the length only 121.5 mm. With rear focusing, the lens does not change length or rotate during focusing. Any filter effects therefore remain intact. It also makes autofocusing quick and quiet.

Block diagram