Pro-Optic Multi-Coated 2x Tele-Converter for Canon EOS Autofocus SLR Cameras. (As Reviewed in Shutterbug Magazine - January 2008 - Page 26)

Mfr. Part: 2XDCAF SKU: PRO2XEOS

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Description

Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of a lens by a factor of 2x . Pro-optic converters are made with high quality multi coated optics and designed to electronically operate with the camera contacts. Designed specifically to be used with prime or zoom lenses of 100mm or above. 2x will increase a 300mm into 600 mm and will decrease the lens with 2 f/stop. Focusing manually is recommended when using a lens with a f/stop of f4 or slower. Longer exposures will require a tripod for stabilization