15 elements in 13 groups
Aspherical elements: Two
SD glass: 2 elements
Coatings: Multi-layer
Angle of view: 84° 10’ to 12° 20’
Minimum focus distance: 0.8m (2.9 ft.)
Reproduction ratio: 1: 5.97
Focusing system: Internal focusing
Zooming system: Rotary type
Number of diaphragm blades: 6
Filter size:  72mm
Maximum outer diameter: 81.8mm (3.2in.)
Overall length: 89.0 mm
Weight: 690 g