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 |