Yashica close-up and taking lens No2 30mm bayonet, original box + case - mint

Yashica close-up lens No2 for twin lens reflex cameras. The close up lens consists of a 'viewing' lens and a 'taking' lens which simply attach to the camera. Close-Up Lens No.2 is for subject range from 36cm to 45cm (14-3/ 16 to 17-23/32 inches). this lens is part of a set that includes a bayonet mount adapter for the viewing lens, which eliminates the need for parallax compensation. The lens is complete with original box and original leather case the optic are mint. Please review the photographs as they form part of the description.