Extension tube for ultra-closeup cinematography; in box with photocopied instructions. Extension Tube for CK Special Camera
Hasselblad extension tube for use with Hasselblad cameras. Hasselblad extension tube for use with Hasselblad cameras, c 1980 1970-1989
Satin chromed tubes with screw fitting into Exakta bayonet mounts 5mm, 15mm and 30mm. Two 5mm two-in-one extension ring. Ihagee Extension Tubes for Exakta camera