Canon EF 100–300mm lens

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


  • Canon Camera Museum
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