| Lens Mount: | PENTAX K AF | Lens Construction: | 7 groups 9 elements |
| Angle of View: | 70 degrees | Aperture: | F1.8 |
| Number of Diaphragm Blades: | 9 | Minimum Aperture: | 22 |
| Minimum Focusing Distance: | 12 inches | Filter Diameter: | 58mm |
| Maximum Magnification: | 0.16X | Dimensions: | 2.6 x 2.7" |
| Weight: | 12.2 oz. | Case: | N/A |
| Objective Cap: | N/A | Hood: | N/A |
| Lens Aperture Ring: | Yes | Tripod Adapter: | No |
| Diaphragm Control: | Fully automatic | Focal Length: | 31mm (equiv. 46.5) |
| Notes: | N/A |