Lens Construction: 13 Elements in 11, Groups Angle of
VieW: 63.4, Number of
Diaphragm Blades: 9
Maximum aperture: 1.4, Minimum
Aperture: 16, Minimum
Focusing Distance: 30 cm/ 11.8 in,
Filter Size: 67mm Floating inner focusing system for extremely high optical performance for close up photos