| Attribute | Value |
|---|---|
| Length | 79 mm |
| Type | Telephoto Prime |
| Weight | 374 g |
| Name | Pentax SMC P-FA 135mm f/2.8 IF |
| Brand | Pentax |
| Image Circle | 35mm |
| Focal Length | 135.00 mm |
| APS Equivalent | 202.5mm |
| Lens Construction | 8 elements in 7 groups |
| Focus Details | Internal |
| Closest Focus | 0.7 m |
| Filter Size | 52 mm |
| Aperture | 2.80 - 22.00 f |
| Diagonal Angle of View | 18.00 degree |
| Diameter | 64 mm |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diaphragm Blades Type | Add |
| Notes | Add |
| Magnification Ratio | Add |
| Front Element Rotation | Add |
| Diaphragm Blades | Add |