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The Sigma 70-300mm f4-5.6 DG Macro Lens for Pentax Digital SLR Cameras is a telephoto lens that offers excellent cost performance and is optimized for use with digital SLR cameras. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 millimeter focal length. It’s the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. The lens f (more…)

Technorati Tags: 70300mm, Cameras, f/45.6, Lens, Macro, Pentax, Samsung, Sigma, Telephoto, Zoom

Amazon.com

Designed for exclusive use with Pentax KAF-mount digital SLR cameras including the *ist D and the *ist DS digital SLRs, the Pentax DA 50-200mm f4-5.6 ED lens offers 4x zoom coverage in the telephoto range. Further, the lens features an angle of view from 31.5 degrees to 8.1 degrees (equivalent in focal length from 76.5mm to 306mm in the 35mm format). The lens also incorporates an Extra-low Dispersion (ED) glass lens element (11-element/10-group optical construction) (more…)

Technorati Tags: 50200mm, Cameras, DSLR, f/45.6, Lens, Pentax, Samsung