Canon Extender EF 1.4x III  type_Digital Cameras It even transmits pin-drive AF

It even transmits pin-drive AF function

so watch yer mouth

you can do multiple exposures very easily

but is worth noting if you're expecting perfection

with excellent sharpness throughout its aperture range

Canon Extender EF 1.4x III &nbsptype_Digital Cameras It even transmits pin-drive AFCanon Extender EF 1. 4x III teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by 1. 4x while maintaining complete communication between lens and camera. Canon's teleconverters are not general purpose: they will work specific lenses only, and autofocus function may vary by lens and camera. Be sure to check compatibility before buying! Clean glass and excellent function. Includes pouch.