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  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver
  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver
  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver

Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver

$2,079.00 ETA: 11/01/2025

Code: 28050

Find a Dealer |

At a glance

  • Quick-Shift Focus
  • Electromagnetic Rounded Diaphragm
  • Extra-low Dispersion Glass
  • HD & SP Coating
  • Weather Resistant
Related Categories K Mount Lenses D FA Lenses Related Lenses by Sensor Size Full Frame Lenses Related Lenses by Type Wide Angle Lenses Prime Lenses
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  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver
  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver
  • Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver

Pentax-D HD FA 21mm f/2.4 ED Limited DC WR Lens - Silver

$2,079.00 ETA: 11/01/2025
Find a Dealer |

  • Quick-Shift Focus
  • Electromagnetic Rounded Diaphragm
  • Extra-low Dispersion Glass
  • HD & SP Coating
  • Weather Resistant

An ultra-wide-angle snapshot lens that delivers distinctive image renditions in both close-range and distant photography, while creating a natural, beautiful bokeh effect for such subjects as a seashell-covered beach with a background of breaking whitecaps and the faraway horizon

This is the first D FA Limited-series lens featuring a 21mm ultra-wide angle.

When used for distant subjects such as landscapes, it delivers a sharp, clear image across the image field, depicting leaves and branch tips in detail and even expressing the dampness of misty mornings. In close-range photography, it lets you approach the subject to a distance of just seven centimeters from lens front, letting you capture images with exaggerated perspective by taking advantage of its ultra-wide-angle focal length. In close-range photography, it provides a mild bokeh (defocused) effect in the background while capturing the main subject in sharp, crisp focus. Since the background gradually and subtly fades out of focus, the image retains the prevailing ambience of the entire scene. This lens lets you experience the pleasure of photography by changing the imaging characteristics depending on the shooting distance and the selected aperture.
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Focal Length 21mm
Equivalent to 32mm in 35mm format
(when attached to PENTAX APS-C size DSLR cameras)
Maximum Aperture F2.4
Minimum Aperture F22
Lens Construction 11 elements in 8 groups
Angle of View (Diagonal) 92° (when attached to PENTAX 35mm full-frame SLR cameras) 68° (when attached to PENTAX APS-C size DSLR cameras)
Mount KAF4
Minimum Focusing Distance 0.18m (0.6ft.)
Maximum Magnification 0.26x
Filter Diameter 67mm
Diaphragm Control Electromagnetic diaphragm Fully automatic
Number of Diaphragm Blades 8 Rounded diaphragm (21mm:F2.4-F4.5)
Aperture Ring N/A
Tripod Mount N/A
Lens Hood fixed
Lens Cap O-LW74A (included)
Lens Case P80-150 (included)
Maximum Diameter x Length approx. 74mm x 89mm (approx. 2.9in. x 3.5in.)
Weight approx. 416g (approx. 14.7oz.)
Temperature -10°C~40°C (14°F~104°F)
Humidity 85% or less (no condensation)
Included Accessories Lens Cap O-LW74A, Lens Mount Cap K,Lens Case P80-150
Others HD Coating SP (Super Protect) Coating Quick-shift Focus System (QFS/A) DC (DC Motor) Colors (Black / Silver )
Compatible Converters HD PENTAX-DA AF REAR CONVERTER 1.4x AW*

Code: 28050

Related Categories K Mount Lenses D FA Lenses Related Lenses by Sensor Size Full Frame Lenses Related Lenses by Type Wide Angle Lenses Prime Lenses

Code: 28050

At a glance

  • Quick-Shift Focus
  • Electromagnetic Rounded Diaphragm
  • Extra-low Dispersion Glass
  • HD & SP Coating
  • Weather Resistant
Related Categories K Mount Lenses D FA Lenses Related Lenses by Sensor Size Full Frame Lenses Related Lenses by Type Wide Angle Lenses Prime Lenses