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Tele Converter 2X Auto Focus for Pentax Digital SLR (DSLR) Cameras [Camera]

Product Description :
This converter will work perfectly with Auto Focus Lenses of any Brand and Manufacturer that currently work on your Pentax SLR or DSLR camera
This Tele Converter is designed for use especially with ultra Tele Photo lenses to double the focal length
while maintaining full auto focus features and delivering maximum image resolution contrast and color balance
It will not degrade any aspect of your prime lenses performance
DIGITAL CONCEPTS guarantees this 4 Element Lens with a Full 5 YEAR International Warranty