| Name |
Pentax 300mm f/4 ED IF SDM SMC DA* |
| Image Circle |
APS-C |
| Type |
Telephoto Prime |
| Focal Length |
300mm |
| APS Equivalent |
450mm |
| Max Aperture |
f/4 |
| Min Aperture |
f/32 |
| Diaphragm Blades |
9 |
| Lens Construction |
8 elements in 6 groups |
| Diagonal Angle of View(Based on image circle) |
5.4 degrees |
| Focus Details |
Internal, SDM (Supersonic Motor) with Quick-shift Focus System |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
1.4m / 4.6 ft. |
| Magnification Ratio |
0.24x / 1:4.2 |
| Filter Size |
77mm |
| Dimensions(Length x Diameter) |
184mm x 83mm / 7.2 in. x 3.3 in. |
| Weight |
1.07kg / 37.7 oz |
| Notes |
Included Accessories: PH-RBK Hood, Detachable Tripod Mount, Case |
| Typical Online Price |
US$1,300 (available May 2008) |