| Attribute | Value |
|---|---|
| Lens Construction | 8 elements in 6 groups |
| Diameter | 63 mm |
| Diagonal Angle of View | 86.00 degree |
| Aperture | 4.00 - 22.00 f |
| Notes | Hood is built-in, pullout type |
| Filter Size | 49 mm |
| Magnification Ratio | 0.15 x |
| Closest Focus | 0.18 m |
| Focus Details | Internal, with "Quick-Shift" focus system |
| Length | 39.5 mm |
| Diaphragm Blades | 7 |
| APS Equivalent | 23mm |
| Focal Length | 15.00 mm |
| Image Circle | APS-C |
| Brand | Pentax |
| Name | Pentax 15mm ƒ/4 ED AL Limited SMC DA |
| Weight | 212 g |
| Type | Wide Prime |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |