Carl Zeiss ZM C Sonnar 50mm f1.5 T* brand_Agfa 8 LD BBAR MC is

8 LD BBAR MC is a fast telephoto zoom lens with Tamron's interchangeable Adaptall mount system (a Nikon F mount is provided here)

Leitz HOOKI Blue filter for 35/50mm Summicron lenses and others with a 39mm filter thread

This Graflex "23" Graphic back clips into any 4x5 camera with a Graflok fitting and lets you shoot 6x9cm images on standard 120 rollfilm

It’s still totally workable

Carl Zeiss ZM C Sonnar 50mm f1.5 T* brand_Agfa 8 LD BBAR MC isThe Carl Zeiss ZM C Sonnar 50mm f1. 5 T* is a modern high speed standard lens for Leica M mount cameras. All metal body, classic optics, and excellent image quality. In nice shape, with smooth focusing clean diaphragm, and only minor cosmetic wear. Includes original metal lens hood, which has a small dent in its rim but is otherwise in clean condition (and fully functional, of course)