| Name |
Pentax 40mm f/2.8 Limited HD DA |
| Image Circle |
APS-C |
| Type |
Standard Prime |
| Focal Length |
40mm |
| APS Equivalent |
61mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
9 (rounded) |
| 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 |
? |
| Zoom System |
n/a |
| Closest Focus |
40cm / 15.8 in. |
| Magnification Ratio |
0.13x / 1:7.7 |
| Filter Size |
49mm (or 30.5mm mounted in hood) |
| Dimensions(Length x Diameter) |
15mm x 63mm / 0.6 in. x 2.5 in. |
| Weight |
89g / 3.1 oz (without hood) |
| Notes |
Available in black or silver; High-grade multi-layer HD (High Definition) coating; Rounder aperture blades should yield more pleasing bokeh. |
| Typical Online Price |
US$550 |