Pentax SMC P-D FA 100mm f/2.8

Manufacturer's Description:

"The PENTAX smc P-D FA 100mm F2.8 macro is designed specifically for digital 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 a telephoto lens and features our acclaimed multi-layer coating to lower surface reflection, reduce ultraviolet rays, and deliver clear, high-contrast images."