|
|
 |
| Lens Mount |
PENTAX KAF3 mount |
| Model No. |
21280 |
| Focal Length |
15-30mm (in 35mm format) 23-46mm (w/ PENTAX APS-C D-SLR) |
| Notes |
HD coating SP coating Weather-Resistant Construction SDM (Supersonic Direct-Drive Motor) Quick-shift Focus System |
| Angle of View |
111° – 72° (w/ PENTAX 35mm SLR) 86° – 50° (w/PENTAX APS-C D-SLR) |
| Lens Construction(group/elements) |
18 elements in 13 groups |
| Min. Aperture (f) |
f/22 |
| Min. Focusing Distance |
0.28m |
| Max. Magnification |
0.23X |
| Filter Size |
N/A |
| Diameter & Length (mm) |
98.5mm x 143.5mm (3.88 x 5.65 inches) |
| Weight (g) |
1040g (2lbs 4oz) |
| Diaphragm control |
Fully Automatic |
| Number of aperture blades |
9 (Rounded Aperture: W 15mm: F2.8 – 4 T 30mm: F2.8-5.6) |
