| Lens Mount: | N/A | Lens Construction: | 11 elements in 8 groups |
| Angle of View: | 76-29° (wiith PENTAX D-SLR camera body) | Aperture: | F3.5-5.6 |
| Number of Diaphragm Blades: | 6 | Minimum Aperture: | F22-38 |
| Minimum Focusing Distance: | 9.84 inches(0.25m) | Filter Diameter: | 52mm |
| Maximum Magnification: | 0.34x | Dimensions: | 2.7 x 2.7" (68.5 x 67.5mm) |
| Weight: | 8.1 oz (230 g) without hood; 9.0 oz (255g) with hood | Case: | S80-120 |
| Objective Cap: | O-LC52 | Hood: | PH-RBC52mm |
| Lens Aperture Ring: | N/A | Tripod Adapter: | N/A |
| Diaphragm Control: | Fully Automatic | Focal Length: | 18-55mm (equivalent to 27.5-84.5mm in 35mm format) |
| Notes: | Quick-shift focus, Filter window, SP (Super Protect) coating |