Sigma 800mm f/5.6 EX APO DG (Pentax AF) Focal Length: 800mmMinimum Aperture: f/32Lens Construction: 12 Elements in 9 GroupsAngle of View 3.1°Number of Diaphragm Blades: 9Minimum Focusing Distance: 700cmMaximum Magnification: 1:8.8Filter Size: 46mm (rear)Lens Hood: Bayonet type hoodDimensions: Diameter 156.5mm x Length 521mmWeight approx:... More
Sigma 50-500mm f/4-6.3 EX DG (Pentax AF) This high zoom lens is optimized for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto. Reduction of Flare and GhostingThe advanced optical design is optimized for digital SLR cameras. In addition, the new super coating on ea... More
