HD Pentax-D FA* 50mm F1.4 SDM AW
The HD Pentax-D FA* 50mm F1.4 SDM AW costs more than similar lenses for other systems, but it's the best fast-fifty you can get for K-mount cameras.
-- As reviewed by PCMag

Product details
- 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
PROS
+ Very sharp.
+ Minimal distortion.
+ Bright aperture.
+ Speedy autofocus.
+ Weather-sealed design.
CONS
- Bulky.
- Edges suffer at wider apertures.
- Noticeable vignette.
- Pricey.
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Expert reviews and ratings
By PCMag on September 27, 2018
The HD Pentax-D FA* 50mm F1.4 SDM AW costs more than similar lenses for other systems, but it's the best fast-fifty you can get for K-mount cameras.
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