| Lens Mount: | PENTAX KAF2 Mount | Lens Construction: | 18 elements in 14 groups |
| Angle of View: | 31.5 - 11.9 degrees | Aperture: | F2.8 |
| Number of Diaphragm Blades: | 9 | Minimum Aperture: | F22 |
| Minimum Focusing Distance: | 39.6 inches | Filter Diameter: | 67mm |
| Maximum Magnification: | 0.17X | Dimensions: | 3.0" x 5.4" (76.5mm x 136mm) |
| Weight: | 24.2 oz. (685g) without hood, 27.0 oz. (765g) with hood | Case: | S90-160 |
| Objective Cap: | O-LC67 | Hood: | PH-RBK 67mm |
| Lens Aperture Ring: | N/A | Tripod Adapter: | No |
| Diaphragm Control: | Fully Automatic | Focal Length: | 50-135mm (equiv. 75-203mm) |
| Notes: | Supersonic motor, Quick-shift focus, SP (Super Protect) coating, Filter window |