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Pentax 28040 FA 21mm F2.4 Limited Lens — main product image
Pentax

Pentax 28040 FA 21mm F2.4 Limited Lens

Capture Stunning Ultra-Wide PerspectivesExplore the world with the Pentax FA 21mm F2.4 ED Limited DC WR lens, designed for full-frame DSLRs. This ultra-wide-angle single focus lens combines exceptional image quality with a durable build. Featuring HD coating for superior imaging performance and a...

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Overview

Capture Stunning Ultra-Wide Perspectives

Explore the world with the Pentax FA 21mm F2.4 ED Limited DC WR lens, designed for full-frame DSLRs. This ultra-wide-angle single focus lens combines exceptional image quality with a durable build. Featuring HD coating for superior imaging performance and a circular diaphragm for beautiful bokeh, this lens is perfect for landscape, architecture, and creative photography.

  • Lens Type: Ultra-Wide-Angle Single Focus Lens
  • Focal Length: 21mm
  • Aperture: F2.4
  • Coating: HD Coating
  • Diaphragm: Eight-blade circular diaphragm
  • Material: Machined Aluminum Lens Barrel
  • Special Features: SP (Super Protect) Coating, Serial Number
  • Mount: KAF4 Mount

Key Features

[In-body shake reduction / SRII] The Pentax digital single-lens camera K series is equipped with in-body shake reduction / SR II. Shake reduction is compatible with all mountable lenses. It is possible to reduce the size and weight of the lens.

[Image quality of D FA 21mm F2.4 Limited] When shooting a distant view such as a landscape, a lens realizes sharp and clear depiction across the image field and can express details up to the tips of leaves and branches and the moist air of the morning mist.

[Three policies of Limited Lens] "Essence" Enjoying the act of picture-taking itself " Sensitivity " Depicting an ambience undetectable by simple numerical values "Universariyty" Providing a lens over many years.

[High-definition depiction] A glass-molded aspherical lens with a large apeture of F1.8 and a high-refractive index low-dispersion lens are luxuriously adopted

[DC motor installed] Quiet and smooth autofocus drive is realized by the in-lens motor drive AF.

[HD coating] high-performance multi-coating "HD coating" minimizes the occurrence of ghosts and flares effectively under severe shooting conditions such as backlight

[SP (Super Protect) coating] Pentax's original special coating that provides superior performace in repelling water and oil is used on the front surface of the lens. This coating not only prevents adhesion of dust, water drops, oils, and other substances, but it also makes it easy to wipe off objects that adhere to the lens.

[Aluminum machined body] Emphasis is placed on the high-quality design and texture when picked up, and the exterior parts are molded one by one by machined aluminum.

AF4 mount adopted] A KAF4 mount that uses an electromagnetic diaphragm is used. Compatible models are the latest for PENTAX K-3 Mark III, K-3 II, K-3, KP, K-70, K-50, K-S2, K-S1, K-1 Mark II, and K-1. Please update to the firmware of.

[What's in the box] Dedicated lens cap O-LW74A, lens mount cap K, lens case P80-150

Specifications

Mount Type
KAF4 (Electromagnetic Diaphragm)
Focal Length
21mm
Aperture
F2.4 (Large aperture of F1.8 for aspherical lens)
Lens Elements
Glass-molded aspherical lens, High-refractive index low-dispersion lens
Autofocus
DC motor installed
Coating
HD coating, SP (Super Protect) coating
Body Material
Aluminum machined body
Included Accessories
Dedicated lens cap O-LW74A, lens mount cap K, lens case P80-150
Compatible Cameras
PENTAX K-3 Mark III, K-3 II, K-3, KP, K-70, K-50, K-S2, K-S1, K-1 Mark II, K-1 (with firmware update)

Frequently Asked Questions

This lens utilizes an in-lens DC motor drive for autofocus, which provides quiet and smooth operation.
Yes, it features Pentax's original SP (Super Protect) coating on the front surface, which offers superior performance in repelling water and oil and makes cleaning easy.
The HD coating is a high-performance multi-coating designed to effectively minimize the occurrence of ghosts and flares, even in challenging backlighting conditions.
The lens features an aluminum machined body, with exterior parts molded individually from machined aluminum, emphasizing high-quality design and texture.
This lens uses a KAF4 mount and is compatible with the latest PENTAX K-3 Mark III, K-3 II, K-3, KP, K-70, K-50, K-S2, K-S1, K-1 Mark II, and K-1 models, requiring a firmware update for some.

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