The aperture/shutter blades do open and close but very sporadic/erratic in its operation.
BAUSCH & LOMB ~ ZEISS PROTAR SERIES IV ~ 4X5 CONVERTIBLE LENS - 1891
Zeiss Anastigmat Series IIA Lens in Beautiful Brass Bausch & Lomb Shutter
Bausch & Lomb Zeiss Large Format Camera Lens Unicum Brass Pat. Jan 6 1891
Antique Bausch & Lomb Petzval Brass large format 150mm lens, wet plate capable
Bausch & Lomb 8x10 Protar Series V Lens in Volute Shutter - PARTS/NOT WORKING
Taylor Hobson Cooke Portrait Series IIE Anastigmat 380mm F4.5 Brass Lens RARE
