Lens Construction 13 Elements in 8 Groups
Angle of View (for SD1) 46.8 degrees
Number of Diaphragm Blades 9 Blades
Minimum Aperture F16
Minimum Focusing Distance 40cm / 15.8in.
Maximum Magnification 1:5.6 Filter Size
Diameter 77mm Dimensions
Diameter 85.4mm x Length 99.9mm / 3.4in. x 3.9in. Weight 815g / 28.7oz. C
Corresponding AF Mounts
Sigma
Canon
Nikon
Sony