Canon Extender EF 1.4x  type_Viewfinders This adapter is does not

This adapter is does not preserve infinity focus and is intended for use with bellows (though it will fit directly to a camera

Charges via USB-C connection

but nothing much bigger

Sony FE 28-70mm f3

but pretty solid image quality throughout the zoom range

Canon Extender EF 1.4x &nbsptype_Viewfinders This adapter is does notCanon Extender EF 1. 4x 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.