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 cameras, featuring ED and anomalous glass elements as well as an HD coating to reduce flare and ghosting, a “PLM” pulse motor to drive the focus group, the minimum focus distance of 30cm, with a max magnification of 0.24x. The lens is sealed against dust and moisture, much like the company’s DSLRs.
Below are the detailed specifications of Pentax 16-50mm F2.8 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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