Lens Mount::
PENTAX KAF mount
Lens Construction::
8 elements in 5 groups
Angle of View::
68 degrees (when used with *istD series & K100D body)
Aperture Control::
Automatic
Number of Diaphragm Blades::
7
Minimum Aperture::
F22
Metering System::
TTL open-aperture metering
Minimum Focusing Distance::
0.66 ft. (0.2m)
Filter Size::
43mm or 49mm
Maximum Magnification::
0.17X
Dimensions::
2.5" x 1.0" (63mm x 25mm)
Weight::
4.9 oz. (140g) without hood; 5.5 oz. (155g) with hood