Zeiss Patent. Ross advertised this lens in the 1905 BJ P Almanac & list it as being suitable for 8 1/2 x 6 1/2 at ‘large aperture’ and suitable for 9 1/2 x 7 1/4 at ‘medium stops’. This was an expensive lens at ?18 0. 0.
Zeiss Patent. Ross advertised this lens in the 1905 BJ P Almanac & list it as being suitable for 8 1/2 x 6 1/2 at ‘large aperture’ and suitable for 9 1/2 x 7 1/4 at ‘medium stops’. This was an expensive lens at ?18 0. 0.