Canon Macro Auto Ring lens mount_Pentax 645 but excellent functionality and clean

but excellent functionality and clean glass

with some surface wear

pocketable point and shoot camera with a 16mp sensor

The plate locking mechanism is separate and secure

Canon Macro Auto Ring lens mount_Pentax 645 but excellent functionality and cleanThe Canon Macro Auto Ring is a useful macro accessory which provides automatic stop down features to FD lenses mounted on non automatic bellows, either in forward or reverse. Clip it to the lensmount, attach a double cable release, and enjoy not having to stop down your lens by hand. In excellent condition, with original box. Lens, camera, bellows and cable release are sold separately.