Pentax DA* 50-135mm lens
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| Maker | Pentax |
|---|---|
| Lens mount(s) | Pentax K |
| Technical data | |
| Type | Zoom |
| Focus drive | Ultrasonic |
| Focal length | 50-135mm |
| Aperture (max/min) | f/2.8 |
| Close focus distance | 1.00 metre (3.28 ft) |
| Max. magnification | 0.17 |
| Diaphragm blades | 9 |
| Construction | 18 elements / 14 groups |
| Features | |
| Manual focus override |  Yes |
| Weather-sealing | Yes |
| Lens-based stabilization |  No |
| Aperture ring | No |
| Physical | |
| Diameter | 77 millimetres (3.0 in) |
| Weight | 685 grams (1.510 lb) |
| Filter diameter | 67mm |
| History | |
| Introduction | 2007 |
The Pentax smc DA* 50-135mm F2.8 ED (IF) SDM is an interchangeable camera lens announced by Pentax on February 21, 2007.
References
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