Pentax-DA 21mm f/3.2 LTD HD BLK LENS

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Product Overview

  • Pentax K Mount
  • 31.5mm (35mm Equivalent)
  • Aperture Range: f/3.2 to f/22
  • Compact Pancake-Style Design
  • High-Grade Multi-Layer HD Coating
  • Super Protect Lens Coating
  • Quick-Shift Focus System
  • Seven-Blade Rounded Diaphragm
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The Pentax-DA 21mm F3.2 LTD HD BLK Lens is a compact pancake-style prime wide-angle lens providing a 35mm-equivalent focal length of 31.5mm. The broad 68° angle of view is well-suited to all-around shooting for both interior and exterior locations. A high-grade multi-layer HD coating has been applied to lens elements to help minimize flare and ghosting for enhanced contrast, clarity, and color fidelity and a seven-blade diaphragm contributes to an aesthetic out-of-focus quality to benefit shallow depth of field imagery. Additionally, an SP Protect coating has also been applied to the front lens element to effectively protect it from dirt, oil, and finger prints.

The compact form-factor of this lens integrates Pentax's Quick-Shift Focus System, which allows manual focus control over the lens at any time, even in AF mode, for precise handling over the focal plane.

Key Features of the Pentax-DA 21mm F3.2 LTD HD BLK Lens

  • Prime wide-angle lens provides a 35mm-equivalent focal length of 31.5mm, covering a broad angle of view of 68°.
  • Compact, thin pancake lens design measures just 1"-thick.
  • High-grade multi-layer HD coating minimizes lens flare and ghosting to enhance contrast and color neutrality.
  • Quick-Shift Focus System enables manual focus control at all times for precise handling that is well-suited to selective focus imagery.
  • Super Protect coating helps to protect the front lens element from dirt and finger marks.

  • MPN - 21410
  • GTIN - 027075273641
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Brand Pentax
Focal Length 21mm
Comparable 35mm Focal Length: 31.5 mm
Lens type Prime lens
Aperture Range Maximum: f/3.2
Minimum: f/22
Max Format size APS-C/DX
Camera Mount Pentax K
Lens Format Pentax Digital (APS-C)
Lens mount Pentax KAF
Minimum Focusing Distance 7.9“ (20.07 cm)
Focus Type Autofocus
Minimum aperture F22.0
Diaphragm Blades 7
Angle Of View 68
Elements 8
Groups 5
Groups 5
Diaphragm Blades 7
Filter Size Front:49 mm
Autofocus Yes
Elements 8
Motor Type Screw Drive from camera
Weight 140
Dimensions (DxL) Approx. 2.5 x 1“ (63.50 x 25.40 mm)
Diameter 63 mm
Weight 119
Length 25 mm
Filter Thread 49 mm
Focal Length 21mm
Comparable 35mm Focal Length: 31.5 mm
Dimensions(DxL) 63.50 x 25.40 mm
Weight 119 g
Filter Thread Size Front: 49 mm
Autofocus Yes
Aperture Maximum: f/3.2
Minimum: f/22
Camera Mount Type Pentax K
Format Compatibility Pentax Digital (APS-C)
Angle of View 68
Minimum Focus Distance 20.07 cm
Magnification 0.17x
Maximum Reproduction Ratio 1:5.88
Optical Design 8 Elements in 5 Groups
Diaphragm Blades 7
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What’s In The Box
  • Pentax-DA 21mm f/3.2 LTD HD BLK Lens
  • Lens Cap x 1
  • Metal Lens Hood x 1
  • Rear Lens Cap (B) for Bayonet Mount Lenses x 1
  • 70mm DA Soft Lens Case x 1
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