| Lens Specifications | |
|---|---|
| Name | Sony SAL-20F28 20mm f/2.8 |
| Image Circle | 35mm |
| Type | Wide Prime |
| Focal Length | 20mm |
| APS Equivalent | 30mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Diaphragm Blades | 7 |
| Lens Construction | 10 elements in 9 groups |
| Diagonal Angle of View(Based on image circle) | 94 degrees |
| Focus Details | Rear focusing |
| Front Element Rotation | No |
| Zoom System | n/a |
| Closest Focus | 25cm / 9.8 in. |
| Magnification Ratio | 0.13x / 1:7.7 |
| Filter Size | 72mm |
| Dimensions(Length x Diameter) | 53.5mm x 78mm / 2.1 in. x 3.1 in. |
| Weight | 285g / 10.1 oz |
| Notes | Included Accessories: SH0013 Lens Hood |
| Typical Online Price | US$680 (Available Oct. 2006) |
