Brass Petzval Lens extension tube Otherwise: a solid example of

Otherwise: a solid example of this lens

able to scan 120 film up 6x9cm

Suitable for a small DSLR or mirrorless system

and cables are not included

with magnification up to 1:1

Brass Petzval Lens extension tube Otherwise: a solid example ofThis is an unmarked Petzval design brass lens for large format cameras. Likely from a projector there is no diaphragm or slot for Waterhouse stops it features rack and pinion focusing and pretty decently clean glass, free of fungus, with minor marks from cleaning over the last, like 100 years or more. Focal length and aperture are unknown. Includes a threaded flange for mounting to a lens board (not included). Will cover 4x5.