Product Overview

The Pentax HD FA 50mm f/1.4 is a no-nonsense standard prime built for shooters who care about results more than specs sheets. On full-frame it delivers a natural field of view, sharp detail and rich contrast, while that bright f/1.4 aperture lets you keep ISO down and backgrounds smooth, even when the light’s dropped off. On APS-C bodies it becomes a tight, flattering portrait lens with plenty of subject separation and a soft, natural bokeh that flatters skin tones and keeps distractions out of the frame.

Pentax’s HD multi-layer coating and SP protective coating keep flare, ghosting and grime in check, so you can point it into tricky light or shoot in a bit of drizzle without fuss. The classic K-mount design with aperture ring means it plays nicely with older Pentax film bodies as well as modern DSLRs, and the compact, lightweight build makes it an easy everyday carry. If you want a dependable 50 that just works – for portraits, street, travel or general walkabout – this lens earns a permanent spot in the kit bag.

Key Features

• Fast f/1.4 maximum aperture delivers bright viewfinding and smooth background blur, ideal for portraits and low-light shooting.
• Standard 50mm focal length on full-frame (approx. 76.5mm on APS-C) provides a natural perspective for everyday, travel and street photography.
• Multi-layer HD coating and SP (Super Protect) coating improve light transmission and resist flare, ghosting, water and oils for clearer, easier-to-clean optics.
• Seven-element, six-group optical design with rounded 8-blade diaphragm produces pleasing, natural-looking bokeh and minimises point light streaking.
• Autofocus with quick-shift focus system lets you fine-tune focus manually after AF lock, giving precise control over critical sharpness.
• Minimum focusing distance of 0.45 m and 0.15x maximum magnification allow tight framing of details and close-up subjects.
• Compact, lightweight build (approx. 223 g) keeps your kit portable and well-balanced on both full-frame and APS-C Pentax DSLRs.
• Classic aperture ring and K-mount compatibility maintain full functionality with many older Pentax film and digital bodies.
• 49 mm non-rotating filter thread makes it easy to use polarising and ND filters without the filter shifting during focusing.
• Robust design with operating range from -10°C to 40°C supports reliable performance in a wide variety of outdoor shooting conditions.