Lens Construction : 17 Elements in 13 Groups
Angle of View : 72.4 - 20.2 degrees
Number of Diaphragm Blades : 7 Blades (rounded diaphragm)
Minimum Aperture : F22
Minimum Focusing Distance : 22cm / 8.7 in.
Maximum Magnification - 1:2.7
Filter Size : Diameter 72mm
Dimensions : Diameter 79mm X Length 88.9mm (3.1 x 3.5 in)
Weight : 535 g / 18.9 oz.