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First Pentax Digital SLR Lens introduced
Dennis Hissink : December 15th 2003 - 02:01 CET
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PentaxPentax U.S.A. has announced a perfect companion lens for the *ist D digital SLR camera. This digital SLR camera has been introduced during PMA 2003. 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 the 35mm 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.
First Pentax Digital SLR Lens introducedThe 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.

Pentax U.S.A. will preview the lens at the PEPCOM Digital Focus media event on January 7 in Las Vegas during the 2004 Consumer Electronics Show.

Details of the smc PENTAX-DA Zoom 16mm~45mm F4 ED/AL lens are:

Lens Construction: 13 elements in 10 groups (two aspherical elements)
Angle of view: 83o-35 o (with *istD body)
Diaphragm: Fully Automatic
Minimum Aperture: F22 (no aperture ring)
Metering: TTL open-aperture
Min. Focus Distance: 0.92 ft (0.28m)
Max. Magnification: 0.26X
Filter Diameter: 67mm
Size: 2.8” x 3.6” (72 x 92mm)
Weight: 12.9 oz (365g) w/o hood




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