HD PENTAX-D FA* 50mm F1.4 SDM AW Lens

Lenses

Ricoh Imaging HD Pentax D FA star 50mm F1.4 SDM AW lens in black with a weather-resistant, dustproof body.

HD PENTAX-D FA* 50mm F1.4 SDM AW Lens

The HD PENTAX-D FA★50mm F1.4 SDM AW lens delivers exceptional resolving power from the center to the edges of the image field, even when set to open aperture.

Model No: 21260

Genuine PENTAX Product
In Stock
Official Warranty

Price

$1,299.95

1

It incorporates state-of-the-art PENTAX-developed lens coating technologies — including the new Aero Bright Coating II for exceptionally low reflectance and high-grade high-definition (HD) Coating — that enable it to produces extra-sharp, high-contrast images free of flare and ghost images.

Its dustproof, weather-resistant body also makes it extremely dependable and durable for shooting in demanding outdoor conditions. Its PENTAX K-mount covers the image circle of a 35mm-format full-frame image sensor.  This large-aperture, prime lens delivers stellar imaging performance and maximum light transmission—the hallmarks of the acclaimed Star series line—and is the perfect companion to any K-mount digital SLR camera.

This lens features a KAF4 lens mount compatible with an electromagnetic diaphragm control system.

Camera's 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.

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Features / Specifications

Technical Specifications

Focal length / 35mm equivalent
50mm | Equivalent to 76.5mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras)
Maximum aperture
F1.4
Minimum aperture
F16
Lens construction
15 elements in 9 groups
Angle of view (diagonal)
47.0°
Mount
KAF4
Minimum focusing distance
0.4m (1.3ft.)
Maximum magnification
0.18x
Filter diameter
72mm
Diaphragm control
Electromagnetic diaphragm, Fully automatic
Number of diaphragm blades
9 | Rounded diaphragm （50mm:F1.4-F2.8
Aperture ring
N/A
Tripod mount
N/A
Lens hood
PH-RBB72 (included)
Lens cap
O-LC72 (included)
Lens case
S100-140 (included)
Maximum diameter × length
Approx. 80mm x 106mm (approx. 3.1in. x 4.2in.)
Weight
Approx. 910g / with hood approx. 955g (approx. 32.1 oz./ with hood approx. 33.7oz.)
Temperature
-10°C～40°C (14°F～104°F)
Humidity
85% or less (no condensation)
Others
Accessories: Lens Hood PH-RBB72, Lens Cap O-LC72, Lens Mount Cap K,Lens Case S100-140

Camera compatibility and firmware

The KAF4 mount uses an electromagnetically controlled diaphragm. Ricoh’s published compatibility list includes K-1 Mark II, K-1, K-3 II, KP, K-70, K-3, K-S2, K-S1 and K-50.

Update K-1, K-3 II, K-3, K-S2, K-S1 and K-50 cameras to the latest firmware before using this lens.