HD Pentax-DA* 16-50mm F2.8 ED PLM AW Lens Announced

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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