This lens from Hugo Meyer features a maximum aperture of 6.3 and a focal length of 4.25 inches. It is a manual focus lens with a screw mount, and is part of the Meyer Optik Görlitz Trioplan series. The brand is well-known in the photography world, making this lens a great addition to any collection. Whether you are a professional photographer or a hobbyist, this lens is sure to produce stunning results.

Looks to be for a large format box camera