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PENTAX - DSLR lenses

Pentax - DA Zoom 16mm-45mm F4 ED AL

The image circle in the DA-series lenses is designed to perfectly match the size of the CCD (23.5mm x 15.7mm) incorporated in PENTAX’s digital SLRs, optimizing the performance of these cameras. The new design also contributes to a drastic reduction in size, weight and production cost, compared to 35mm-format counterparts with similar specifications.

As the first model of the new DA series, PENTAX plans to market the smc PENTAX-DA Zoom 16mm~45mm F4 ED AL (tentative name, equivalent to 24.5mm~69mm in the 35mm format; marketing date to be announced), which features a three-times zoom ratio with focal lengths covering ultra-wide to moderate-telephoto ranges when mounted on the new PENTAX *ist D digital SLR camera. It also incorporates an Extra-low Dispersion (ED) glass lens element and two aspherical lens elements for true-to-life image reproduction and size reduction.

Product Name smc PENTAX-DA Zoom 16mm-45mm F4 ED AL (Tentative Name)
Lens Constructions 13 elements in 10 groups
Diaphragm Fully Automatic
Photometric Method TTL open-aperture metering
Filter Diameter 67mm
Maximum Diameter & Minimum Length 72mm x 92mm (2.8 inch x 3.6 inch)


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