| Attribute | Value |
|---|---|
| Lens Construction | 9 elements in 8 groups |
| Diameter | 70.5 mm |
| Diagonal Angle of View | 28.60 degree |
| Diaphragm Blades Type | rounded |
| Aperture | 1.40 - 22.00 f |
| Notes | Included Accessories: Lens Hood |
| Filter Size | 58 mm |
| Magnification Ratio | 0.17 x |
| Closest Focus | 0.45 m |
| Focus Details | SDM (supersonic motor), AF/MF switch |
| Length | 66 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 83mm |
| Focal Length | 55.00 mm |
| Image Circle | APS-C |
| Brand | Pentax |
| Name | Pentax 55mm ƒ/1.4 SDM SMC DA* |
| Weight | 375 g |
| Type | Standard Prime |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Front Element Rotation | Add |