PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR

Product Description With extra low dispersion glass and original lens coatings, this lens is superior in contrast, clarity and edge-to-edge sharpness. Amazon.com Capture fisheye imagery with a 180-degree angle of view with the Pentax DA 10-17mm fisheye lens. Designed for the Pentax *ist series of digital SLR cameras, the lens creates images with an expanded perspective, including images with a creatively deformed outlook and a sharp pan focus that extends throughout the entire frame. The image circle in DA series lenses, meanwhile, is designed to perfectly match the 23.5 x 15.7mm size of the CCD used in Pentax digital SLRs to optimize camera performance. Plus, the new design contributes to a drastic reduction in size, weight, and production cost compared to 35mm counterparts with similar specifications. Additional features include a 35mm equivalent focal length of 15-26mm; new water- and oil-repellant super-protective (SP) lens coatings for easy cleaning; extra-low-dispersion (ED) glass for superior sharpness and color correction; and a responsive Quick Shift Focus System for switching instantly from autofocus (AF) to manual focus (MF). Lens construction: 10 elements in 8 groups Angle of view: 180 to 100 degrees Diaphragm: Fully automatic Blades: 6 Minimum aperture: f/22-32 Metering: TTL open-aperture meeting Minimum focusing distance: 0.46 feet Maximum magnification: 0.23x to 0.39x Dimensions: 2.8 inches in diameter Weight: 11.3 ounces

• Metal Pentax(r) Kaf Lens Mount
• Water- & Oil-repellent Super-protective Lens Coating For Easy Cleaning
• Extra-low Dispersion Glass For Superior Sharpness & Color Correction
• Responsive Quick-shift Focus System Allows Instant Shift From Auto Focus To Manual Focus
• Image Circle Is Designed To Match The Ccd Used In Pentax(r) Digital SLRs