| Attribute | Value |
|---|---|
| Lens Construction | 15 elements in 12 groups |
| Diameter | 71 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 23.50 - 75.00 degree |
| Aperture | 4.00 - 22.00 f |
| Filter Size | 62 mm |
| Magnification Ratio | 0.18 x |
| Closest Focus | 0.49 m |
| Focus Details | Internal |
| Length | 74 mm |
| APS Equivalent | 42 - 157.5mm |
| Focal Length | 28.00 - 105.00 mm |
| Image Circle | 35mm |
| Brand | Pentax |
| Name | Pentax SMC P-FA 28-105mm f/4-5.6 IF |
| Weight | 306 g |
| Type | Standard Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Notes | Add |
| Front Element Rotation | Add |
| Diaphragm Blades | Add |