| Focal Length | 50mm |
| Maximum Aperture | f/2.5 |
| Minimum Aperture | f/22 |
| Lens Mount | Pentax K |
| Lens Format Coverage | Full-Frame |
| Angle of View | 45° |
| Tilt-Shift | +/- 15° Tilt |
| Minimum Focus Distance | 15" / 380 mm |
| Optical Design | 2 Elements in 1 Groups |
| Diaphragm Blades | 12 |
| Focus Type | Manual Focus |
| Filter Size | 46 mm (Front) |
| Weight | 12.6 oz / 357.4 g |