Duplicate of Pentax's HD D FA* 50mm f/1.4 — same lens as ID 3894.
The Pentax HD FA 50mm f/1.4 is a listing variant of the Pentax HD D FA* 50mm f/1.4 SDM AW described under ID 3894 — Pentax's flagship standard prime. The Star (*) designation, SDM motor, and AW weather sealing make it the finest 50mm Pentax has ever produced. Designed for the K-1 full-frame DSLR with exceptional optical quality.
Optical performance is outstanding — Star (*) tier from f/1.4 with excellent sharpness, controlled aberrations, and smooth bokeh from nine rounded blades. HD coating provides superior light transmission. The premium optical materials and design place this among the finest 50mm lenses in any DSLR system. Benefits from Pentax body SR stabilisation.
Pentax K mount, full-frame with SDM ultrasonic AF. Filter thread is 72mm. Weight is approximately 910 grams — heavy for a fifty. Build quality is outstanding with AW weather sealing to -10°C. The SDM motor provides lens-based AF independent of the body motor. Electromagnetic aperture for consistent auto-exposure.
Available on the used market. Check AF, weather seals, and optics. Pentax's absolute finest fast fifty — the AW weather sealing paired with the K-1 creates a genuine all-weather professional kit. The weight is the only practical concern. Same lens as ID 3894.