Pentax smc DA 17-70mm F4.0 AL (IF) SDM Specs
Announced Jun 3, 2008
•
Zoom lens | Pentax KAF3 | 21740
| Principal specifications | ||
|---|---|---|
| Lens type | Zoom lens | |
| Max Format size | APS-C / DX | |
| Focal length | 17–70 mm | |
| Image stabilization | No | |
| Lens mount | Pentax KAF3 | |
| Aperture | ||
| Maximum aperture | F4 | |
| Minimum aperture | F22 | |
| Aperture ring | No | |
| Number of diaphragm blades | 7 | |
| Optics | ||
| Elements | 17 | |
| Groups | 12 | |
| Focus | ||
| Minimum focus | 0.28 m (11.02″) | |
| Maximum magnification | 0.31× | |
| Autofocus | Yes | |
| Motor type | Ultrasonic | |
| Full time manual | Yes | |
| Focus method | Internal | |
| Distance scale | Yes | |
| DoF scale | Yes | |
| Physical | ||
| Weight | 485 g (1.07 lb) | |
| Diameter | 75 mm (2.95″) | |
| Length | 94 mm (3.68″) | |
| Colour | Black | |
| Zoom method | Rotary (extending) | |
| Filter thread | 67 mm | |
| Tripod collar | No | |
| Other | ||
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