| Name |
Pentax SMC P-DA 40mm f/2.8 Limited |
| Image Circle |
APS-C (but we found it didn't vignette on a 35mm film body) |
| Type |
Standard Prime |
| Focal Length |
40mm |
| APS Equivalent |
60mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
9 |
| Lens Construction |
5 elements in 4 groups |
| Diagonal Angle of View(Based on image circle) |
39 degrees |
| Focus Details |
"Quick Shift" AF/MF mechanism |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
40cm / 15.8 in. |
| Magnification Ratio |
0.13x / 1:7.7 |
| Filter Size |
30.5mm and 49mm |
| Dimensions(Length x Diameter) |
15mm x 63mm / 0.6 in. x 2.5 in. |
| Weight |
90g / 3.2 oz |
| Notes |
Distance scale |
| Typical Online Price |
US$289.95 |
