Focal Length: 18 mm
Aperture range: f/3.5 - f/22 (1/2 steps)
Focusing range: 0.3 m - infinity
Image ratio at close range: 1 : 12
Coverage at close range: 44 x 29 mm
Number of elements/groups: 13/11
Angular field (diag./horiz./vert.): 99 / 90 / 67
Filter-Mount: M 82 x 0.75, Diameter: 87 mm
Dimensions (with caps): 84 mm
Weight: 470 g