Canon EF 100–300mm lens

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The EF 100–300mm refers to three telephoto zoom lenses produced by Canon. They are of the EF lens mount that is compatible with the EOS line of cameras.

The three versions are:

  • f/5.6
  • f/5.6L
  • f/4.5–5.6 USM


Attribute f/5.6 f/5.6L f/4.5–5.6 USM
Image stabilizer No
Ring USM No Yes
L-series No Yes No
Diffractive Optics No
Ultra-low dispersion glass element No Yes No
Synthetic Fluorite glass element No Yes No
Macro Yes
Short back focus No
Maximum aperture f/5.6 f/4.5–5.6
Minimum aperture f/32 f/40
Weight 685g 695g 540g
Max. Diameter x Length 75 mm x 166.8 75 mm x 166.6 mm 73 mm x 121.5 mm
Filter diameter 58 mm
Horizontal viewing angle 20°–6°50'
Vertical viewing angle 14°–4°35'
Diagonal viewing angle; 24°–8°15'
Groups/elements 9/15 10/15 10/13
# of diaphragm blades 8
Closest focusing distance 2 m 1.5 m
Currently in production? No
Release date March 1987 June 1987 June 1990


External links[edit]