Pentax DA* 16-50mm F/2.8 ED AL IF Camera lens (21650)

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product overview
product overview
  • K Mount Lens/APS-C Format
  • 24-75mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Two Aspherical and Three ED Elements
  • smc and Super Protect Coatings
  • SDM Focusing Motor
  • Internal Focus, Quick-Shift Focus System
  • Weather- and Dust-Resistant Construction
  • Nine-Blade Diaphragm

A versatile standard zoom characterized by its bright f/2.8 constant maximum aperture, the smc DA* 16-50mm f/2.8 ED AL (IF) SDM Lens offers a 24-75mm equivalent focal length range and is compatible with Pentax APS-C-format DSLRs. The optical design incorporates a pair of aspherical elements and three extra-low dispersion elements to control chromatic aberrations and distortions throughout the zoom range and contribute to a high-degree of sharpness and clarity. A Super Multi-Coating has also been applied to reduce lens flare and ghosting for increased contrast and color neutrality.

Complementing the optical assets, this lens also features a Supersonic Drive Motor (SDM) to provide smooth, quiet autofocus performance and the Quick-Shift Focus System permits instant switching from AF to manual for fine-tuned focus control. Additionally, an internal focusing design maintains the overall lens length during operation and quickens focusing speeds. Benefitting working in a variety of climates, the lens also sports a weather- and dust-resistant construction as well as a Super Protect (SP) coating to repel dust, dirt, moisture, and grease from the front and rear elements.

Standard zoom 16-50mm lens is designed for APS-C-format Pentax K mount DSLRs where it provides a 24-75mm equivalent focal length range.
A bright constant f/2.8 maximum aperture benefits working in difficult lighting conditions and also offers increased control over depth of field.
Two aspherical elements and three extra-low dispersion elements minimize chromatic and spherical aberrations, as well as distortion, throughout the zoom range to produce clean, clear image quality with enhanced sharpness and detail.
A Super Multi-Coating has been applied to control lens flare and ghosting for improved contrast and color accuracy.
Supersonic Drive Motor provides quick, quiet, and smooth autofocus performance to benefit both stills shooting and video recording.
A Quick-Shift Focus System allows instant switching from autofocus to manual focus for quickly refining your focus position.
Inner focusing design maintains the overall length of the lens during operations and also contributes to faster, more responsive AF performance.
A nine-blade diaphragm helps to produce a pleasing bokeh quality when working with selective focus and shallow depth of field techniques.
Dust- and weather-resistant construction better enables working in harsh climates. Additionally, a Super Protect coating also protects the front and rear elements against dust, moisture, and smudging.
  • MPN - 21650
  • GTIN - 027075129252
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Focal Length16 - 50mm
Comparable Focal Length: 24 - 75 mm
Lens typeZoom lens
Aperture RangeMaximum: f/2.8
Minimum: f/22
Max Format sizeAPS-C/DX
Camera MountPentax K
Lens FormatAPS-C
Lens mountPentax KAF
Minimum Focusing Distance11.9“ (30.23 cm)
Focus TypeAutofocus
Minimum apertureF22.0
Diaphragm Blades9
Angle Of View83 - 31.5
Diaphragm Blades9
Filter SizeFront: 77 mm
Motor TypeUltrasonic
Dimensions (DxL)Approx. 3.31 x 3.88“ (84 x 98.5 mm)
Diameter84 mm
Length99 mm
Filter Thread77 mm
Focal Length16 to 50mm
Comparable Focal Length: 24 to 75 mm
Dimensions(DxL)84 x 98.5 mm
Weight562 g
Filter Thread SizeFront: 77 mm
ApertureMaximum: f/2.8
Minimum: f/22
Camera Mount TypePentax K
Format CompatibilityAPS-C
Angle of View83 to 31.5
Minimum Focus Distance30.23 cm
Maximum Reproduction Ratio1:4.76
Optical Design15 Elements in 12 Groups
Diaphragm Blades9
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What’s In The Box

Pentax DA* 16-50mm F/2.8 ED AL IF Camera lens

  • Pentax DA* 16-50mm F/2.8 ED AL IF Camera lens x 1
  • O-LC77 77mm Lens Cap x 1
  • Rear Lens Cap (B) for Bayonet Mount Lenses x 1
  • PH-RBK 77mm Lens Hood for SMCP-DA* 200mm f/2.8 ED (IF) & 300mm f/4 ED (IF) Lens x 1
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