The Pentax D FA 50mm f2.8 MACRO Lens  is designed to be extremely compact and lightweight. These lightweight macro lenses feature an image circle to accommodate up to 35mm format and offers close-up to 1:1 life-size magnification.
The drastic downsizing and weight reduction were achieved through the development of compact, high-performance optical elements and the incorporation of durable yet lightweight exterior components.
The smc P "D" lens series is designed to optimize image quality in both digital SLR and film photography. Improvements include optimized lens coating along with curvature and positioning of optical elements. In particular, flare and ghost images - the most disturbing factors in digital SLR photography - have been reduced to minimum for clear, high-quality digital images.
Close focus capability of 7.7" (19.5 cm)
Built-in focus-clamp mechanism to fix focus at any distance
Metallic lens mount for extra durability
The SMC Pentax-D FA 50mm F2.8 macro is designed for digital and film SLR cameras. It utilizes curvature and positioning of optical elements to virtually eliminate flare and ghosting for clear, high-quality images particularly important to digital photography. This versatile lens can also be used as a standard lens. Achieving life-size (1:1) magnification it features our acclaimed SMC multi-layer coating to lower surface reflection, reduce ultraviolet rays, and deliver clear, high-contrast images.
Quick shift focusing system
Built-in focusing clamp
Compattible with film and digital SLR's