Focal Length: 55 mm
Aperture range: f/1.4 - f/16
Focusing range: 13.2" 0.33m - infinity
Coverage at close range: 9.69 x 6.42" / 246 x 163 mm
Number of elements/groups: 12/10
Angular field (diag./horiz./vert.): 43,7° / 36,7° / 24,9°
Image ratio: 1:6.8
Filter-Mount: 77mm
Dimensions - Length X Diameter: 5.66" / 144mm x 3.64" / 92.4mm
Weight: 2.43 lb / 1030g