Pentax
Pentax HD D FA* 50mm f/1.4 SDM AW Prime Lens
★★★★★
f/1.4
Experience Unrivaled Clarity with the HD Pentax D FA* 50mm Lens Capture stunning images with the HD Pentax D FA* 50mm F1.4 SDM AW lens, a new-generation, Star-series lens designed for exceptional sharpness and high-contrast. Perfect for photographers seeking superior image quality in a standard ...
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Overview
Experience Unrivaled Clarity with the HD Pentax D FA* 50mm Lens
Capture stunning images with the HD Pentax D FA* 50mm F1.4 SDM AW lens, a new-generation, Star-series lens designed for exceptional sharpness and high-contrast. Perfect for photographers seeking superior image quality in a standard lens.
Specifications:
- Type: Single-Focus Standard Lens
- Optical Design: Modified Gauss-Type Rear Focus Lens Group with Aberration-Correction Elements
- Focusing: Rear Focus
- Motor: Ring-Type Ultrasonic Wave Motor SDM
- Minimum Focusing Distance: 40 centimeters
- Color: Black
Key Features
In-camera shake reduction (SR) the Pentax digital SLR K Series cameras are equipped with the SR mechanism built into the camera body Because shake reduction is applied in the camera body this means that any lens Compatible with the K-Series cameras will benefit from image stabilization
Pentax Star series lens A new-generation high-performance star-series lens delivering superb imaging quality and exceptional resolving power
Pentax original lens Coating thanks to pentax-original lens Coating technologies including the latest Aero bright coating II that assures exceptionally low reflectance as well as the high-grade HD coating — it produces extra-sharp high-contrast images that are free of flare and ghosting
Maximum aperture F1 4 This lens boasts an extra-large F1 4 maximum aperture useful with many different subjects in a range of applications including portraiture with an effectively defocused background and hand-held shooting of indoor scenes or in low light conditions
All weather (AW) this lens features a Dependable dustproof weather-resistant structure with eight special seals to prevent the intrusion of water and dust into the lens interior
Newly developed ring-type ultrasonic wave Motor sdm generates as much as 7 5 times the torque of the conventional sdm installed in existing lenses
Rounded diaphragm Nine-Blade round-shaped diaphragm to produce a natural beautiful bokeh (defocus) effect up to an aperture of F2 8
Super protect coating pentax-original SP coating uses fluorine treatment on the front surface of the lens This prevents adhesion of dust water drops grease and other substances
Kaf4 mount this lens features a Kaf4 lens mount compatible with an electromagnetic diaphragm control system Cameras Compatible with this system are K-1 Mark II K-1 K-3 II KP K-70 K-3 k-s2 k-s1 and k-50 For K-1 K-3 II K-3 k-s2 k-s1 and k-50 the camera’s firmware must be upgraded to the latest version
WHAT'S IN THE BOX Includes Front lens cap lens mount cap Lens Hood PH-RBB72 and Lens case S100-140
Specifications
Lens Series
Pentax Star Series
Focal Length
50mm
Maximum Aperture
f/1.4
Lens Coatings
Aero Bright Coating II, HD Coating, Super Protect (SP) Coating
Autofocus Motor
Newly Developed Ring-Type Ultrasonic Wave Motor (SDM)
Weather Resistance
All Weather (AW) - Dustproof, Weather-resistant (8 seals)
Diaphragm Blades
9-blade, Rounded
Mount Type
KAF4 (Electromagnetic Diaphragm Control System)
Included Accessories
Front Lens Cap, Lens Mount Cap, Lens Hood PH-RBB72, Lens Case S100-140
Pros & Cons
👍 Pros
- Delivers superb imaging quality and exceptional resolving power, consistent with Pentax Star series lenses
- Features an extra-large F1.4 maximum aperture, ideal for portraiture with defocused backgrounds and low-light shooting
- Incorporates Pentax-original Aero Bright Coating II and HD coating for extra-sharp, high-contrast images free of flare and ghosting
- Equipped with a newly developed ring-type ultrasonic wave motor (SDM) that generates 7.5 times the torque of conventional SDMs for fast, precise autofocus
- Constructed with a dependable dustproof and weather-resistant (AW) structure, featuring eight special seals to prevent water and dust intrusion
- Benefits from in-camera shake reduction (SR) when used with compatible Pentax digital SLR K-Series cameras
- Features a nine-blade, round-shaped diaphragm to produce a natural, beautiful bokeh effect up to an aperture of F2.8
- Includes Pentax-original Super Protect (SP) coating on the front lens surface to repel dust, water drops, and grease
👎 Cons
- Relies on in-camera shake reduction rather than having its own optical stabilization system
- Compatibility with the KAF4 mount requires specific camera models, with older ones needing a firmware update
- The lens does not include information regarding its weight or dimensions, which can impact portability and balance
- The "7.5 times the torque" claim for the SDM is a comparison to "conventional SDM" without specific models for context
- While "all weather," extreme conditions or submersion are not implied, requiring careful use in harsh environments
Frequently Asked Questions
What is the main benefit of the f/1.4 maximum aperture on this Pentax lens?
The extra-large f/1.4 maximum aperture is beneficial for achieving effectively defocused backgrounds in portraiture and for hand-held shooting in low-light conditions.
Is this lens designed for use in adverse weather conditions?
Yes, this lens features an All Weather (AW) dustproof and weather-resistant structure with eight special seals to protect against water and dust intrusion.
Does this lens include image stabilization?
This lens benefits from the in-camera shake reduction (SR) mechanism built into Pentax digital SLR K-series cameras, rather than having its own optical stabilization.
What type of autofocus system does the Pentax HD D FA* 50mm f/1.4 SDM AW use?
It uses a newly developed ring-type ultrasonic wave motor (SDM) that generates significantly more torque for fast and precise autofocus operation.
Which Pentax cameras are compatible with the KAF4 lens mount of this product?
Compatible cameras include K-1 Mark II, K-1, K-3 II, KP, K-70, K-3, K-S2, K-S1, and K-50, with some requiring a firmware upgrade for electromagnetic diaphragm control.
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