The 100 mm is a fast lens particularly suited to low-light situations or for action shots where higher shutter speeds are required. The slightly longer than standard length coupled with its shorter depth-of-field makes it an interesting choice for portraits too in many instances.

Focal length: 100mm
Aperture range: 2.2-32
No. of  elements/ groups: 6/5
Focusing range: 0.9m - infinity
Magnification at close range: 1:7.2
Coverage at close range: 40x 30cm
Angle of view diag/horiz/vert: 38/31/24°
Weight: 780g
Filter diameter: 77mm