Canon Extender EF 1.4x brand_Tougodo REMEMBER: this lens will not

REMEMBER: this lens will not fit on a Nikon camera or adapter without modification

The tradeoff is lower max ISO than the MKIII or MKIV (6400 vs 25600/32000)

The Manfrotto 234 is a low-profile adapter with an up-down tilt function

deal with it

Canon Extender EF 1.4x brand_Tougodo REMEMBER: this lens will notCanon Extender EF 1. 4x teleconverter, in good cosmetic condition, with some paint nd finish wear. 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.