ペンタックス/Pentax SMCP-DA 14mm f/2.8 ED IF Lens f/Sigma 21510/レンズ/Lens/カメラ/camera/アクセサリー PX1428AFDConstruction:12 elements in 11 groups Angle of view:90 degrees (with *istD body) F stop range:f/2.8 to f/22 Closest Focusing Distance:0.56 ft (0.17m) Maximum Magnification:0.19X Filter Size:77mm Dimensions (Length x Diameter):2.7'' x 3.3'' (69 x 83.5mm) Weight:14.8 oz (420g) w/o hood Notes:(No aperture ring) Diaphragm: Fully Automatic Metering: TTL open-aperture
・Extra-low Dispersion (ED) glass lens for superior sharpness and color correction ・Responsive Quick-Shift Focus System allows instant shift from AF to MF ・The image circle is designed to match the CCD used in PENTAX digital SLRs ・Convert focal length to 21mm with *ist D ・Comes with a lens hood to minimize flare and ghost images
For Digital SLR Cameras only Does not work with non-digital Cameras. The smc PENTAX-DA 14mm F2.8 ED [IF] interchangeable wide-angle lens was developed as a second model of the new DA-series lineup. At 14.8 ounces and measuring just 2.7 inches long and 3.3 inches in diameter the lens is one of the lightest in its category.
The lens features a standardized DA-series design incorporating high-grade metallic components with green accents. Featuring a focal length of 14mm (equivalent to 21mm in the 35mm format) and a 90-degree angle of view this high-performance wide-angle lens incorporates a high-refraction low-dispersion glass element and an Extra-low Dispersion (ED) glass element to produce high-resolution true-to-life images in advanced digital photography.
The lens offers a minimum focusing distance of .56 ft. for a maximum magnification of approximately 0.19 times. The image circle is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in the *istD contributing to a drastic reduction in size weight and production cost.
This new lens also features the responsive Quick-Shift Focus System to allow photographers to instantly switch the focus mode from auto-to-manual with a slight twist of the focus ring. Coupled with the a large-sized focus ring that remains locked during autofocus operations and the elimination of the aperture ring this mechanism enhances *ist D operation in autofocus and manual-focus modes.
While competing models in the same category only allow for the installation of gelatin filters at the rear end this lens is designed to accept 77mm-diameter filters including a circular polarizing filter. The lens is equipped with a detachable lens hood with a window used for easy adjustment of a circular polarizing filter.
シグマ/ペンタックス/Pentax SMCP-DA 14mm f/2.8 ED IF Lens f/Sigma 21510