The 2x High Definition Tele-Converter is for use with T-Mount manual focus lenses. It will multiply the focal length of your existing lens by 2x.For example, using a 2x tele-converter with a 500mm lens will effectively increase the focal length to 1000mm. A lens set to f/2.8 will now be f/5.6.
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1.All products and accessories have been tested before ship out
2.All products have 1 year warranty . If there is no man-made problem. we will replaced or repair for your freely
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