Lens Mount:
PENTAX KAF2 Mount
Lens Construction:
18 elements in 14 groups
Angle of View:
31.5 - 11.9 degrees (when used with PENTAX Digital SLR camera body)
Aperture Control:
Automatic
Minimum Aperture:
F22
Number of Diaphragm Blades:
9
Metering System:
TTL open-aperture metering
Minimum Focusing Distance:
1.0m
Filter Size:
67mm
Maximum Magnification:
0.17X
Dimensions (diameter x length):
3.0" x 5.4" (76.5mm x 136mm)
Weight:
24.2 oz. (685g) without hood, 27.0 oz. (765g) with hood