Pentax
Pentax 28050 D FA 21mm F2.4 ED Limited Lens - Silver
★★★★★
Experience Imaging Excellence with Precision Optics The Pentax D FA 21mm F2.4ED Limited DC WR Lens delivers exceptional image quality and versatile performance for full-frame DSLR cameras. With its advanced optical design, durable construction, and weather-resistant features, this lens is an idea...
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Overview
Experience Imaging Excellence with Precision Optics
The Pentax D FA 21mm F2.4ED Limited DC WR Lens delivers exceptional image quality and versatile performance for full-frame DSLR cameras. With its advanced optical design, durable construction, and weather-resistant features, this lens is an ideal choice for landscape, architecture, and general photography.
Specifications
- Focal Length: 21mm
- Aperture: f/2.4
- Lens Mount: Full Frame DSLR
- Coating: HD Coating
- Diaphragm Blades: 8 (circular)
- Construction: Machined Aluminum Lens Barrel
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)
Pros & Cons
👍 Pros
- Realizes sharp and clear depiction across the entire image field for distant views and landscapes
- Capable of expressing fine details up to the tips of leaves and branches, and the moist air of morning mist
- Equipped with a DC motor for quiet and smooth autofocus drive, enhancing the shooting experience
- Features HD coating, a high-performance multi-coating that minimizes ghosts and flares in severe shooting conditions
- Includes SP (Super Protect) coating on the front surface, repelling water, oil, and dust while being easy to clean
- Constructed with an aluminum machined body, emphasizing a high-quality design and texture
- Adopts a KAF4 mount with an electromagnetic diaphragm, compatible with recent Pentax K series camera models
- The "Limited Lens" design philosophy focuses on the essence of picture-taking and depicting subtle ambience
- Includes dedicated lens cap, lens mount cap, and lens case for immediate protection and convenience
- Incorporates a glass-molded aspherical lens and high-refractive index low-dispersion lens for high-definition depiction
👎 Cons
- Requires a firmware update for full compatibility with specific Pentax K-series models, adding an extra step for users
- Only compatible with KAF4 mount Pentax cameras, limiting its use with older or non-Pentax camera bodies
- The lens is designed for "Essence" and "Sensitivity," which might not appeal to users prioritizing pure technical metrics over artistic expression
- Specific weight and dimensions are not provided, making it difficult to assess its portability and balance on various camera bodies
- The F2.4 aperture, while decent, is not as wide as some prime lenses, potentially limiting low-light performance compared to faster alternatives
Frequently Asked Questions
What type of autofocus does the Pentax 28050 D FA 21mm F2.4 ED Limited Lens use?
This lens utilizes a DC motor for its in-lens motor drive AF, providing quiet and smooth autofocus operation.
Is this lens designed to resist environmental elements?
Yes, it features Pentax's original SP (Super Protect) coating on the front surface, which repels water, oil, and dust, making it easy to clean.
What is the benefit of the HD coating on this lens?
The high-performance multi-coating, "HD coating," is designed to effectively minimize the occurrence of ghosts and flares, especially under challenging shooting conditions like backlight.
What materials are used in the construction of this lens's body?
The lens body is constructed from aluminum, with exterior parts molded one by one by machined aluminum, emphasizing a high-quality design and tactile experience.
What is included in the box with the Pentax 28050 D FA 21mm F2.4 ED Limited Lens?
The box includes a dedicated lens cap O-LW74A, a lens mount cap K, and a lens case P80-150 for immediate protection and convenience.
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