| Attribute | Value |
|---|---|
| Lens Construction | 8 elements in 6 groups |
| Diameter | 83 mm |
| Diagonal Angle of View | 5.40 degree |
| Aperture | 4.00 - 32.00 f |
| Notes | Included Accessories: PH-RBK Hood, Detachable Tripod Mount, Case |
| Filter Size | 77 mm |
| Magnification Ratio | 0.24 x |
| Closest Focus | 1.4 m |
| Focus Details | Internal, SDM (Supersonic Motor) with Quick-shift Focus System |
| Length | 184 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 450mm |
| Focal Length | 300.00 mm |
| Image Circle | APS-C |
| Brand | Pentax |
| Name | Pentax 300mm f/4 ED IF SDM SMC DA* |
| Weight | 1070 g |
| Type | Telephoto 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 |