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Opteka 500-1000mm High Definition Mirror Telephoto Lens for Sony E-Mount NEX-7 NEX-6 NEX-5

Product Description :
f8-16 High-index low-dispersion optical glass Fully multi-coated every element Anti-reflection coating
Designed to maximize day and night shots by providing maximum light and image transmission with minimum distortion Fantastic for all types of photographic situations
Great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject
500mm Mirror Lens 2x Multiplier Carrying bag and lens caps included
Includes Lens Adapter 10 Year Worldwide Warranty