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Product Highlights
  • f/2.8 - f/22 Aperture Range
  • 16 / 10 Elements / Groups
  • 9 Diaphragm Blades
  • 0.24x Max. Magnification
  • 77 mm Filter Diameter
Pentax HD PENTAX-DA*16-50mm f/2.8 ED PLM AW Lens Pentax HD PENTAX-DA*16-50mm f/2.8 ED ...
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Overview

PENTAX-DA 16-50mm f/2.8 ED PLM AW Lens

A new-generation Star-series lens, assuring high-contrast, high-resolution imaging even at image edges, and delivering clear, crisp images with minimal aberrations

This large-aperture standard zoom lens is the latest model of the new-generation Star (★) series, which is designed to provide the best possible image quality and accommodate the super-high-performance cameras of the future. Its newly designed optics assures greatly improved contrast and sharpness compared to previous models, while compensating various aberrations to a minimum and delivering sharp, clear images not only in the middle of the image field but at the edges. By incorporating one ED (Extra-low Dispersion) glass optical element, one anomalous dispersion glass optical element and two ED (Extra-low Dispersion) aspherical glass optical elements, it effectively minimizes chromatic aberration over the entire zoom range.

Key Features:

  • Round-shaped diaphragm to produce a natural, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources
  • SP (Super Protect) coating to keep the front surface free of dust and spots
  • Quick-Shift Focus System for instant switching from autofocus to manual-focus operation, by holding the shutter-release button halfway down and turning the focus ring after the subject is captured in focus by the camera’s AF system.

The newly designed zoom optics features a lighter, more compact focus-lens group. This focus-lens group is driven by an advanced PLM (Pulse Motor), which assures smooth, high-speed autofocus operation with minimized noise. A redesigned focus mechanism provides a minimum focusing distance of just 0.3 meters and a maximum magnification of 0.24 times, making this a handy lens for capturing all types of subjects — from everyday snapshots to close-ups and landscapes.

Exceptional resolving power assured by uncompromising optical design

The 10-group, 16-element optical system (including four aspherical optical elements) assures superb resolving power and delivers super-clear, high-contrast images from the middle of the image field to the edges. By incorporating one ED (Extra-low Dispersion) glass optical element, one anomalous dispersion glass optical element and two ED (Extra-low Dispersion) aspherical glass optical elements, it reduces chromatic aberration to a minimum over the entire zoom range. The high-grade, multi-layer HD Coating,* which reduces the average reflectance in the visible ray spectrum to less than 50% that of conventional multi-layer coatings, effectively minimizes flare and ghost images even in demanding lighting conditions such as backlighting.

High-performance PLM for quiet, high-speed autofocus operation

The focus-lens elements are directly driven by a PLM (Pulse Motor), providing much-improved focusing speed (approx. 2.2 times faster in the wide-angle range, or approx. 1.5 times faster in the telephoto range, compared to the smc PENTAX-DA★ 16-50mm F2.8ED AL[IF] SDM),* while effectively minimizing noise for quieter operation. Manual-focus operation of the power-assisted focus mechanism has also been upgraded to optimize the precision and response of detecting the focus ring. As the result, the focus-lens elements shift more efficiently and flawlessly in synchronization with focus-ring operation.

Electromagnetic diaphragm mechanism for flawless, high-precision exposure control during video recording

When mounted on a compatible KAF4-mount camera body, this zoom lens assures flawless, high-precision exposure control, not only in still-image shooting, but also in video recording. Even when there are considerable differences in brightness during video shooting, its electromagnetic diaphragm control mechanism allows the user to capture video clips using automatic exposure control. In combination with some compatible cameras, the PLM (Pulse Motor) assures smooth focus tracking operation and flawless exposure control, while considerably reducing annoying noise generated by focus and diaphragm control operations during video recording. This means smooth, worry-free video shooting in locations prone to considerable brightness changes — such as a stage with rapidly changing lighting conditions, or a forest with filtering sunrays — or with active, fast-moving subjects such as athletes or animals.

Dustproof, weather-resistant construction

This lens features the “All Weather (AW)” construction to prevent the intrusion of dust and water into the lens interior. Pair it with a PENTAX dustproof, weather-resistant digital SLR camera body for creative shooting in rain or mist, or other locations prone to water splashes.

What's Included

PENTAX-DA 16-50mm f/2.8 ED PLM AW Lens
Lens Hood PH-RBN77
Lens Cap O-LC77
Lens Mount Cap K
Lens Case S120-150

Reviews

Product Specifications

PENTAX-DA 16-50mm f/2.8 ED PLM AW Lens

Focal length (Equivalent to 35mm format) 16-50mm
Equivalent to 24.5-76.5mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras)
Aperture Range F/2.8 - F/22
Lens Construction 16 elements in 10 groups
Angle of View (Diagonal) 83-31.5°
(when attached to PENTAX APS-C size DSLR cameras)
Mount KAF4
Min. Focusing Distance 0.3m (0.98ft.)
Max. Magnification 0.24x
Filter Diameter 77 mm
Diaphragm Control Electromagnetic diaphragm
Fully automatic
No. of Diaphragm Blades 9
Rounded diaphragm (16mm: F2.8-5.6) (50mm: F2.8-8)
Lens Hood PH-RBN77 (included)
Lens Cap O-LC77 (included)
Lens Case S120-150 (included)
Max. Diameter x Length approx. 84mm x 117mm (approx. 3.3in. x 4.6in.)
Weight approx. 712g / with hood approx. 750g
(approx. 25.1oz. / with hood approx. 26.5oz.)
Temperature -10°C~40°C (14°F~104°F)
Humidity 85% or less (no condensation)
Others HD Coating
SP (Super Protect) Coating
AW (All Weather Resistant)
Quick-shift Focus System (QFS/M)
Pulse Motor

Questions & Answers

Pentax HD PENTAX-DA*16-50mm f/2.8 ED PLM AW Lens

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