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Pentax SMC P-DA 16-45mm F4.0


The compact, high-performance, interchangeable smc PENTAX-DA 16mm-45mm F4 ED AL lens features a 3X zoom ratio with focal lengths covering ultra-wide to moderate-telephoto ranges for the angle of view equivalent to 24.5mm-69mm in the35mm format.

The DA-Series features a responsive "Quick-Shift Focus System" that allows photographers to instantly switch the focus mode from auto to manual with a slight twist of the focus ring. Coupled with a simple, functional design and the elimination of an aperture ring, this new mechanism considerably improves the camera's operability. The lens also incorporates an Extra-low Dispersion (ED) glass lens element and two aspherical lens elements for true-to-life image reproduction and overall size reduction. The image circle in DA-series lenses, including the smc PENTAX-DA 16mm-45mm F4 ED AL, is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in PENTAX digital SLRs to optimize camera performance. The new design also contributes to a drastic reduction in size, weight and production cost, compared to 35mm-format counterparts with similar specifications


  • Construction 13 elements in 10 groups (two aspherical elements)
  • Angle of view 83o-35 o (with *istD body)
  • F stop range Minimum F stop: 22
  • Closest Focusing Distance 0.92 ft (0.28m)
  • Maximum Magnification 0.26X
  • Filter Size 67mm
  • Dimensions (Length x Diameter) 2.8" x 3.6" (72 x 92mm)
  • Weight 12.9 oz (365g) w/o hood

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