| Lens Specifications | |
|---|---|
| Name | Pentax SMC DA 40mm ƒ/2.8 XS |
| Image Circle | APS-C |
| Type | Standard Prime |
| Focal Length | 40mm |
| APS Equivalent | 61mm |
| Max Aperture | ƒ/2.8 |
| Min Aperture | ƒ/22 |
| Diaphragm Blades | 9 (rounded) |
| Lens Construction | 5 elements in 4 groups |
| Diagonal Angle of View(Based on image circle) | 39 degrees |
| Focus Details | AF or MF |
| Front Element Rotation | YES |
| Zoom System | n/a |
| Closest Focus | 0.4m / 1.31 ft. |
| Magnification Ratio | 0.13x / 1:7.7 |
| Filter Size | 27mm |
| Dimensions(Length x Diameter) | 9.2mm x 62.9mm / 0.36 in. x 2.5 in. |
| Weight | 51g / 1.8 oz |
| Notes | 27mm objective cap and rear cap included. |
| Typical Online Price | US$250 |
