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HD Pentax-FA 50mm F1.4: Digital Photography Review

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May 16, 2023

The HD Pentax-FA 50mm F1.4 is built for Pentax K-mount full frame cameras, but it can also be used on APS-C cameras.
The optical construction of the lens is 7 elements placed in 6 optical groups. Modeled after a 1991 film lens from Pentax, this lens updates on the past with a lens coating meant to improve contrast and edge-to-edge sharpness.

Lens type Prime lens
Focal length 50 mm
Lens mount Pentax KAF
Max aperture F1.4
Min aperture F22
Min focus 0.45 m (17.72)
Max magnification 0.15×
Weight 223 g (0.49 lb)
Length 41 mm (1.59)

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