Canon Macro Auto Ring lens mount_Olympus Pen But it's a full-frame fisheye

But it's a full-frame fisheye

Nikon 85mm f1

Please check your lens instruction manual for compatibility: this is not a universal teleconverter and it won't work with everything

4 aperture and lovely image rendering

Cable is 300cm

Canon Macro Auto Ring lens mount_Olympus Pen But it's a full-frame fisheyeThe 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 and manual. Lens, camera, bellows and cable release are sold separately.