Opteka 650-2600mm High Definition Telephoto Zoom Lens for Pentax K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D, K10D and 645D Digital SLR Cameras
The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It's an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Advances in ultra high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-design / computer-aided-manufacturing), are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise precision. The included Opteka 2X Teleconverter effectivly doubles your zoom converting this lens to a 650-2600mm Super Telephoto!SpecificationsZoom Type:Push/Pull (Two-touch)Focus Modes:Manual FocusMinimum Focus Distance:16' (4.9 m)Angle of View:3.8 to 2 DegreesAperture:f/8-16 (f/16-32 with 2X)Filter Size:95mmMax Diameter:4.1" (105mm)Length:18.5" (23.3" at full zoom)Weight:4.4 lb (2 kg)Included Items~ Opteka High Definition 650-1300mm Super Telephoto Zoom Lens~ Opteka High Definition 2X Teleconverter~ T-Mount Lens Adapter~ Lens Hood~ Padded Pouch with Shoulder Strap~ Front and Rear Lens Caps