Pentax DA 17-70mm lens
The Pentax smc DA 17-70mm F4.0 AL (IF) SDM is a constant maximum aperture standard zoom lens announced by Pentax on June 3, 2008.
| Maker | Pentax |
|---|---|
| Lens mount(s) | Pentax KAF3 |
| Technical data | |
| Type | Zoom |
| Focus drive | Ultrasonic |
| Focal length | 17-70mm |
| Aperture (max/min) | f/4.0 |
| Close focus distance | 0.28 metres (0.92 ft) |
| Max. magnification | 0.31 |
| Diaphragm blades | 7 |
| Construction | 17 elements in 12 groups |
| Features | |
| Manual focus override |  |
| Weather-sealing |  |
| Lens-based stabilization | |
| Aperture ring | |
| Physical | |
| Diameter | 75 millimetres (3.0 in) |
| Weight | 485 grams (1.069 lb) |
| Filter diameter | 67mm |
| History | |
| Introduction | 2008 |
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