Kenko Camera Accessory Teleplus HD 2X DGX for Canon EOS 835661 EF/EF-S Mount,

A teleconversion lens that can extend the focal length simply by attaching it between the camera and lens. New optical design achieves 180% improvement in resolution compared to previous models Equipped with electronic contacts, EXIF information such as F-stop and focal length can be converted and transmitted. AF operation is possible only when using a lens brighter than F2.8 When attached to a 1:1 macro lens, macro photography beyond 1:1 is possible.