| Toote kood | 22177 |
| Tootja | Pentax |
| Format compatibility | Pentax crop frame DSLRs |
| Lens Mount | Pentax KAF |
| Zoom / fix | Prime lens |
| Lens type | Normal |
| Special designs | Portrait lens |
| Focal Length | 50 mm |
| Focal length (35mm camera equivalent) | 76.5 mm |
| Maximum aperture | f/1.8 |
| Minimum aperture | f/22 |
| Optical construction | 6 elements in 5 groups |
| Focusing | Manual focus; Autofocus |
| AF motor | Screw drive |
| Full mechanical manual focus override | No |
| Image stabiliser | None |
| Minimum focus distance | 45 cm |
| No. of diaphragm blades | 7 |
| Maximum reproduction ratio | 0.15× |
| Diameter | 63 mm |
| Length | 38.5 mm |
| Weight | 122 g |
| Filter thread | 52 mm |
| Package contents | Lens; Front lens cap; Rear lens cap |
| Lens hood | RH-RA5 |
| Ladu | Laos | Kättetoimetamise aeg |
| NDC | 8tk | 4-5 PÄEVA |
| API | 4tk | 7-10 PÄEVA |