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The PENTAX smc P-D FA 50mm 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 as a telephoto lens and features our acclaimed multi-layer coating to lower surface reflection, reduce ultraviolet rays, and deliver clear, high-contrast images.
 Compatibility: 35mm Digital and 35mm Film SLRs
      
    FEATURES:
- Mount: PENTAX KAF
 - Lens Construction: 8 elements in 7 groups
 - Angle Of View: 47 degrees (31.5o with *ist D body)
 - Diaphragm: Fully automatic
 - Blades: 8
 - Min Aperture: F32
 - Metering: TTL open-aperture metering
 - Min Focus Distance: 7.67 inches (0.195m)1.85 inches (0.047m)
 - Max Magnification: Life size (1X)
 - Filter Diameter: 49mm
 - Size Max Diameter Length: 2.7 inches (67.5mm)
 - Weight: 9.3 oz. (265g)
 - Lens Hood: PH - RBC 49mm (included)