Rokunar Lens 2x mc4 Auto Tele Converter with 2 Caps Excellent Japan Canon Mount

up for sale is a Rokunar Lens 2x mc4 Auto Tele Converter with 2 Caps Excellent Japan 5708122-----i believe this is for a Canon Mount BUT I'M NOT CERTAIN It is in Great Condition. i bought a large lot of Camera Equipment from the estate of a Serious Collector and it is all in Very good condition i always do my best to list things accurately but please feel free to contact me with any questions or if you require any additional information or photos i am always happy to combine shipping whenever possible. please contact me for rates. thank you and God bless