| Lens Specifications | |
|---|---|
| Name | Pentax SMC P-FA 28mm f/2.8 AL |
| Image Circle | 35mm |
| Type | Wide Prime |
| Focal Length | 28mm |
| APS Equivalent | 42mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Diaphragm Blades | ? |
| Lens Construction | 5 elements in 5 groups |
| Diagonal Angle of View(Based on image circle) | 75 degrees |
| Focus Details | |
| Front Element Rotation | ? |
| Zoom System | n/a |
| Closest Focus | 30.5cm / 12 in. |
| Magnification Ratio | 0.11x / 1:9 |
| Filter Size | 49mm |
| Dimensions(Length x Diameter) | 40.6mm x 63.5mm / 1.6 in. x 2.5 in. |
| Weight | 185g / 6.5 oz |
| Notes | |
| Typical Online Price | US$229.95 |
