CARL ZEISS JENA PROTARLINSE IV 430MM COMPOUND SHUTTER LARGE FORMAT LENSES
Matching pair Carl Zeiss Jena Protarlinse IV 430mm lenses. Both marked 196734. One marked Germany 111921 Compound with multiple adjustments and levers. With small fine adjustment marked "Bausch and Lomb Optical Company." Within the knurled outer ring of the lens is the number 636959. The second lens, which threads into the back of the first lens, is marked 111922.
Overall good condition. Some light cleaning scratches and spots on glass, no haze. Diaphragm can either be triggered for a period of time or set to open. Rust/oxidation on both diaphragms. Both lenses appear to be complete and mechanically functional.