Lens Construction 19 elements in 14 groups
Angle of View (for SD1) 84.1 - 23.3 degrees
Number of Diaphragm Blades 9 Blades (Rounded diaphragm)
Minimum Aperture F22
Minimum Focusing Distance 45cm / 17.7in
Maximum Magnification 1:4.6
Filter Size Diameter 82mm
Dimensions Diameter 88.6mm x 109.4mm / 3.5in. x 4.3in.
Weight 885g / 31.2oz.