The lens is marked Triotar 1:4.5 f = 15cm. Carl Zeiss Jena Nr.
Vintage Carl Zeiss Triotar Front Lens Element 1:4.5, f = 15cm - Clean Condition
Vintage Carl Zeiss TRIOTAR f/3.5 21cm 4X5 Speed Bokeh lens Graflex Portraits
Carl Zeiss Jena Tessar 1:4.5 f=15cm Lens
Vintage Carl Zeiss Jena Tessar 1 : 4,5 F = 18 cm lens on plate NR 186161
Carl Zeiss Jena Triotar 15cm (150mm) f/4.5 BIV3 1914’s Large Format Lens
Carl Zeiss Jena 29cm f/6.8 Series VII Protar Large Coverage Large Format Lens
