11 elements in 7 groups (2 ED glass elements and 3 aspherical lenses)
Angle of view
99° – 61°
Minimum focus distance
0.3m (through the entire focal range)
Maximum reproduction ratio
No. of diaphragm blades
Filter attachment size
Diameter x length (extension from lens mount)
Approximately 82.5 x 90 mm/3.2 x 3.5 in.
Approximately 465 g/16.4 oz.
77mm snap-on front lens cap LC-77, Rear lens cap LF-1, Bayonet Hood HB-23