| Lens Mount: | PENTAX K AF | Lens Construction: | 9 elements in 8 groups |
| Angle of View: | 15 degrees (24.5 degrees with film SLR) | Aperture: | F2.8 |
| Number of Diaphragm Blades: | 8 | Minimum Aperture: | F32 |
| Minimum Focusing Distance: | 11.93 in. | Filter Diameter: | 49mm |
| Maximum Magnification: | 1x | Dimensions: | 2.7 in. (67.5 mm) |
| Weight: | 12.2 oz. (345g) | Case: | S 80 - 120 |
| Objective Cap: | Lens Cap F 49mm | Hood: | PH-RBC 49mm |
| Lens Aperture Ring: | Yes | Tripod Adapter: | No |
| Diaphragm Control: | Fully automatic | Focal Length: | 100mm (equiv. 150mm) |
| Notes: | N/A |