Canon Extender EF 1.4x brand_Tougodo The Tamron Adaptall 200mm f3

The Tamron Adaptall 200mm f3

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

and 80mm for reasons that are lost to history

9 lens that stay fully enclosed

Canon Extender EF 1.4x brand_Tougodo The Tamron Adaptall 200mm f3Canon 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.