RARE BRASS ERA SURVIVOR 1911 MAXWELL

Rear glass diameter = 43 mm. Cover up to 30×40 cm at aperture F32. This item can be shipped worldwide. Very rare emil busch portrait aplanat ser. d f8 4 f=340 mm vintage brass lens very rare emil busch portrait aplanat ser. According to Busch catalogue it may. Focal Distance is 340 mm.