EF 100mm f/2.8 Macro

Released April 1990

Canon's original EF 100 mm macro prime, focusing from infinity to life-size reproduction without an additional converter.

Specifications

Lens type: Prime
Focal length: 100 mm
Maximum aperture: f/2.8
Minimum aperture: f/32
Macro lens: Yes
Optical construction: Ten elements in nine groups
Diaphragm: Eight blades according to Canon Camera Museum; minimum f/32
Angle of view: 24° diagonal, 20° horizontal and 14° vertical according to Canon's manual

Autofocus: Yes
Minimum focus distance: 0.31 m
Maximum magnification: 1×
Autofocus detail: Autofocus and manual focus selected with the AF/MF switch; Canon's manual lists Full and Limit focusing-range settings
Focus distance detail: Full range is 0.31 m to infinity; the manual describes the close-up Limit setting as 0.31–0.57 m and its specification table also lists 0.57 m to infinity as a limited range
Magnification detail: Life-size 1× reproduction without a converter; minimum focusing distance is measured from the camera's image plane according to Canon's manual

Filter diameter: 52 mm
Maximum diameter: 75 mm
Length: 105.5 mm
Weight: 650 g
Controls: AF/MF switch, Full/Limit switch, focusing ring, distance window, reproduction-ratio and depth-of-field scales
Filter detail: Front screw-in filter; Canon's manual permits one filter at a time
Dimensions detail: Canon Camera Museum gives 75 mm maximum diameter × 105.5 mm length and 650 g. Canon's original manual instead lists 105.3 mm length, with 21.5 mm added for front and rear caps; dimensions and weight are lens-only
Release detail: Canon Camera Museum records April 1990 marketing; no first-sale day is given

Closest rivals

Model	Mount	Focal length	Max aperture	Stabilisation	Weight	Released
CanonEF 100mm f/2.8 Macro USM	Canon EF	100 mm	f/2.8	No	600 g	Mar 2000
CanonEF 85mm f/1.8 USM	Canon EF	85 mm	f/1.8	No	425 g	Jul 1992
CanonEF 85mm f/1.2L USM	Canon EF	85 mm	f/1.2	No	1,025 g	Sept 1989