Canon Extender EF 1.4x III winder the rotating back lets you

the rotating back lets you shoot vertical or horizontal without rotating the whole camera

Tested and working for both recording and playback

Shutter speeds and diaphragm are good

This "A" version is designed for use on autofocus cameras: it's machined a tiny bit thinner at certain spots on the mount to safely clear your camera's electronic contacts

and Memory Stick

Canon Extender EF 1.4x III winder the rotating back lets youCanon 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.