20th century cameras is currently offering 3 Buhl Optical 254mm (10)" f3.8 projector lenses install on a 4X5 Graflex Pacemaker Speed Graphic lens board. All lenses have glass that is free from starches and fungus.
These are an incredible portrait lens with a not overly drastic depth of field allowing for both eyes and the tip of the nose to be in focus while still rendering soft back and foregrounds