Bower - 500mm/1000mm f/8 Manual Super Telephoto Lens for Sony A7 II III IV A7R II III IV A7S A7C - Black

500mm/1000mm f/8 Manual Super Telephoto Lens for Sony A7 II III IV A7R II III IV A7S A7C--A High-definition 500mm preset telephoto lens incorporates computer optical design and the latest optical multi-coating techniques. The multi-coating process assures virtually flare-free photographs even under adverse lighting conditions resulting in crisp, high-contrast pictures.----Preset Lenses are designed to retain a full range of exposure, automation, and metering capabilities of the cameras on which they are mounted. This lens is great for nature and sports photography. The amazing power of this lens gives you the equivalent of looking through a pair of 10x power binoculars. It has a manual preset diaphragm, a rotating tripod mounting collar, and a soft lens pouch.----Advances in high-index / low-dispersion optical glasses, new barrel materials, exotic anti-reflection coatings, and 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 precise precision.----Included with the lens is the V2XMR which enhances optical quality by providing an easy and portable way to extend your camera’s reach. This brilliant and specialized lens doubles your focal length and features the anti-reflection coating that improves color consistency along with enhancing light transmission efficiency while reducing flare.----Compatibility with Sony E-mount - Our telephoto lens is designed to fit a variety of Sony Alpha a7 IV, A7C II, a7r, a7R IIIA, a7s, a3000, a5000, a5100, a6000, a6400, a6500, a6700, a6300, NEX-7, NEX-6, NEX-5T, NEX-5N, NEX-5R, and other E-Mount Cameras----Specifications--Filter Size: 67mm--f/Stop Range: f/8.0 (fixed)--Minimum Focus Distance: 33.0' (10.0 m)--Angle of View: 4.1Deg x 2.7Deg (W x H)--Groups/Elements: 4/4--Maximum Diameter: 2.8" (71mm)--