Canon EOS Rebel XSi 2x Telephoto Lens Converter with 4-Element Optical Design & Premium Microfiber Cleaning Cloth - Perfect for Wildlife Photography, Sports Events and Travel Adventures

2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

Doubles Focal Length of Lenses (4-Elements)

Multi-Coated Optical Glass with Anti-Reflection Coating

NOTE Not compatible with Canon EF-S Lenses - Only EF Lenses) ** For The Same Extender which is applicable for the EF & EF-S Lenses - SEE ASIN B081TNW121 **

Manufacturers' Lifetime Warranty

Item Includes Case, Protective Lens Cap, Nw Direct Micro Fiber Cleaning Cloth