Canon Extender EF 1.4x III  type_Adapters there are several options for

there are several options for focus assist

0654 for Rolleiflex and Rolleicord accessories

Can't quite swing a Leica M3 right now

with minor paint and finish wear around its baseplate area

Canon Extender EF 1.4x III &nbsptype_Adapters there are several options forCanon Extender EF 1. 4x III teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by forty percent while maintaining complete communication between lens and camera. Since the teleconverter extends into the back of the lens, not all lenses may be mounted. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function.