The FA Laboratories 91.44mm f/1.9 Vintage Projection Lens by EA Labs is a high-quality lens with a threaded barrel, perfect for vintage movie and photography enthusiasts. Made of brass and featuring a fixed focal length of 91.44mm, this lens produces beautiful Petzval images with a maximum aperture of f/1.9. Designed in the United States, this vintage lens adds a touch of nostalgia to any camera system. Please note : this is a vintage No visible scratches please see detail photos. Made in USA