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Add some versatility to your existing Canon EF and EF-S-mount lens collection with this 2x Digital AF Teleconverter from Bower, which contains 4 elements to ensure sharp imagery. This teleconverter utilizes multi-coated optics that will double the effective focal length of your EF or EF-S lens, for example it will convert an 85mm lens to 170mm. This doubling effect has a light loss of about 2 stops, meaning an f/1.4 lens will become an f/2.8 lens. Additionally, this teleconverter offers full communication between the lens and camera to enable autofocus and other electronically controlled functions.
Works with most Canon EF/EF-S mount lenses greater than 50mm
Autofocus supported by lenses with a maximum aperture of f/4 and larger
Select lenses, including 50mm f/1.8 lenses, should be used in manual focus mode for optimal performance
In the Box
Bower 2x Digital AF Teleconverter for Canon EF/EF-S