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

BH #PE165028 • MFR #28030
Pentax HD-DA 16-50mm f/2.8ED PLM AW Lens
Key Features
  • K-Mount Lens / APS-C Format
  • 24.5-76.5mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Extra-Low Dispersion Glass
This dynamic HD-DA 16-50mm f/2.8ED PLM AW Lens from Pentax is a classic wide-angle to portrait-length zoom lens with a constant f/2.8 aperture through the entire zoom range that delivers optical performance and is an ideal regular-use lens. It incorporates a newly designed optical system and an advanced Pulse Motor (PLM) to assure smooth, high-speed, and high precision autofocus operation with minimized noise. It has been fine-tuned for greater operability in manual-focus operation and includes a quick-shift focus system to provide an instant shift from auto to manual. An electromagnetic diaphragm control mechanism assures high precision exposure control and smooth focus tracking when used in combination with compatible digital SLR cameras and also enables the capture of video clips using automatic exposure control, even when there are considerable differences in brightness. It delivers exceptionally high resolving power and outstanding contrast even at open aperture, while capturing beautiful images with a smooth transition of the bokeh effect and a true-to-life depth of field.
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Pentax DA* 16-50mm f/2.8 ED PLM AW Overview

  • 1Description
  • 2Constant Aperture
  • 3High-Speed Autofocus
  • 4Optical Design
  • 5Lens Coatings
  • 6Rounded 9 Rounded Blade Diaphragm
  • 7Dustproof, Weather Resistant Construction

This dynamic HD-DA 16-50mm f/2.8ED PLM AW Lens from Pentax is a classic wide-angle to portrait-length zoom lens with a constant f/2.8 aperture through the entire zoom range that delivers optical performance and is an ideal regular-use lens. It incorporates a newly designed optical system and an advanced Pulse Motor (PLM) to assure smooth, high-speed, and high precision autofocus operation with minimized noise. It has been fine-tuned for greater operability in manual-focus operation and includes a quick-shift focus system to provide an instant shift from auto to manual. An electromagnetic diaphragm control mechanism assures high precision exposure control and smooth focus tracking when used in combination with compatible digital SLR cameras and also enables the capture of video clips using automatic exposure control, even when there are considerable differences in brightness. It delivers exceptionally high resolving power and outstanding contrast even at open aperture, while capturing beautiful images with a smooth transition of the bokeh effect and a true-to-life depth of field.

Developed as an AW (All Weather) model, this zoom lens features a dustproof, weather-resistant construction to prevent the intrusion of water and dust particles into the lens interior. The Super Protect lens coating keeps the front surface free of dust and stains, so it performs superbly even in the most demanding shooting conditions, in rain, mist, or at locations prone to splashing water.

Constant Aperture

The bright f/2.8 maximum aperture remains constant through the entire zoom range for image consistency.

High-Speed Autofocus

The advanced Pulse Motor (PLM) assures smooth, high-speed, and high precision autofocus operation with minimized noise. The Quick-Shift Focus System provides an instant shift to manual-focus operation, after locking the subject in focus during AF operation by pressing the camera's shutter-release button halfway down; this system can be used at any time during AF operation. The lens also has effortless manual-focus operation, with limited lens extension during focusing between the minimum focusing distance and infinity and optimum focus-ring torque.

Optical Design

With a lens design of 16 elements in 10 groups, the newly designed optical system features a lighter, more compact focus-lens group. The design incorporates one ED (Extra-low Dispersion) glass optical element, one anomalous glass optical element, and two ED (Extra-low Dispersion) aspherical glass optical elements to effectively reduce chromatic aberration to a minimum over the entire zoom range. The redesigned focus mechanism provides a minimum focusing distance of just 11.8".

Lens Coatings

The lens elements are coated with multi-layer HD Coating, which reduces the average reflectance in the visible ray spectrum to less than 50% of conventional multi-layer coatings, effectively minimizing flare and ghost images even in demanding lighting conditions such as backlighting. In addition, an SP (Super Protect) coating keep the lens front surface free of dust and stains.

Rounded 9 Rounded Blade Diaphragm

Nine-blade circular diaphragm to produce a natural, beautiful bokeh (defocus) effect (from open aperture to F5.6 in the wide-angle range; from open aperture to F8 in the telephoto range), while minimizing the streaking of point light sources. This zoom lens features an electromagnetic diaphragm control mechanism* to assure high-precision exposure control when used in combination with compatible digital SLR cameras. It also lets the user capture video clips using automatic exposure control, even when there are considerable differences in brightness during the video shooting.

Dustproof, Weather Resistant Construction

Developed as an AW (All Weather) model, this zoom lens features a dustproof, weather-resistant construction to prevent the intrusion of water and dust particles into the lens interior. By pairing it with a PENTAX dustproof, weather-resistant digital SLR camera body, the user can create a highly durable, reliable digital imaging system that performs superbly even in the most demanding shooting conditions, in rain, mist, or at locations prone to splashing water.
UPC: 027075302952

Pentax DA* 16-50mm f/2.8 ED PLM AW Specs

Focal Length16 to 50mm (35mm Equivalent Focal Length: 24.5 to 76.5mm)
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountPentax K
Format CompatibilityAPS-C
Angle of View83° to 31.5°
Minimum Focus Distance11.8" / 30 cm
Maximum Magnification0.24x
Optical Design16 Elements in 10 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Filter Size77 mm (Front)
Dimensions (ø x L)3.3 x 4.6" / 84 x 117 mm
Weight1.6 lb / 712 g
Packaging Info
Package Weight2.88 lb
Box Dimensions (LxWxH)8.7 x 7.1 x 5.7"
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Is it compatible with Pentax K,-r ??????

Is it compatible with Pentax K,-r ??????
Asked by: Robert
Pentax K-r is not compatible with lenses with KAF4 mount. The oldest compatible body is K-50
Answered by: Jack
Date published: 2021-07-27
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