Fotodiox Pro Autofocus 2x Teleconverter - AF Doubler x2.0 for Canon EOS EF Lenses and EF / EFs Cameras (Fits Full Frame)
Description Specs Compatibility Notes Product Highlights: • Doubles the focal length of a Canon EF lenses (2.0x Magnification Factor) (Will not fit all EFs lenses due to long rear element length) • Communication between lens & camera enables auto focus, auto iris & image stabilization • Lens construction features 4 elements in 3 groups for sharp images • A maximum aperture of f/4 or greater is required in order to fully utilize the autofocus capabilities. • Limited 2-Year Manufacturer Warranty The Fotodiox 2x Teleconverter for Canon cameras is a precision optical component designed to expand your photographic capabilities. This premium quality 2x teleconverter, effectively doubles the focal length of the lens it's used with and maintains the resolution and contrast of any fine optic. The teleconverter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will