Ricoh has just officially announced the new HD Pentax-DA* 16-50mm F2.8 ED PLM AW lens. It is a premium wide-angle zoom for the company’s APS-C bodies, featuring ED and anomalous glass elements as well as an HD coating to reduce flare and ghosting. The lens uses a “PLM” pulse motor to drive the focus group. The minimum focus distance is 30cm, with a max magnification of 0.24x. The lens features a “quick shift” system to quickly switch between auto and manual focus.
This new lens costs $1,399.95, first available for pre-order at Amazon/ B&H/ Adorama.
Below are the detailed specifications of Pentax HD-DA 16-50mm f/2.8 ED PLM AW Lens:
| Principal specifications | ||
|---|---|---|
| Lens type | Zoom lens | |
| Max Format size | APS-C / DX | |
| Focal length | 16–50 mm | |
| Image stabilization | No | |
| Lens mount | Pentax KAF4 | |
| Aperture | ||
| Maximum aperture | F2.8 | |
| Minimum aperture | F22 | |
| Aperture ring | No | |
| Number of diaphragm blades | 9 | |
| Optics | ||
| Elements | 16 | |
| Groups | 10 | |
| Special elements / coatings | ED + anomalous glass + aspherical elements, HD coating | |
| Focus | ||
| Minimum focus | 0.30 m (11.81″) | |
| Maximum magnification | 0.24× | |
| Autofocus | Yes | |
| Motor type | Stepper motor | |
| Full time manual | Yes | |
| Focus method | Internal | |
| Distance scale | No | |
| DoF scale | No | |
| Focus distance limiter | No | |
| Physical | ||
| Weight | 712 g (1.57 lb) | |
| Diameter | 84 mm (3.31″) | |
| Length | 117 mm (4.61″) | |
| Materials | Magnesium alloy | |
| Sealing | Yes | |
| Colour | Black | |
| Zoom method | Rotary (extending) | |
| Zoom lock | No | |
| Filter thread | 77 mm | |
| Hood product code | PH-RBN77 | |
| Tripod collar | No | |
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