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Fine Art Sale Lot 531

TEN VARIOUS CAMERA LENSES

TEN VARIOUS CAMERA LENSES, ROSS, C1865-1920 including Petzval wide angle, Orthographic Telecentric and Zeiss Anastigmat made under licence (for details please see online catalogue) and a Victorian ebonised graphoscope (11)The lenses comprise:Orthographic Lens No 7082 wide angle design by J Petzval8 x 5 S. A. doublet No 17123 (= small angle) a forerunner of the Rapid Rectilinear Unar f l4.5 135mm Zeiss Patent forerunner of the Tessar Telecentric 13"Zeiss convertible 23½ focus front and backTelecentric 11"Rapid Symmetrical (=R.R.) for 8½ x 6½Rapid Symmetrical 5" (enlarging %?)Wide angle Anastigmat 8¼ (survey camera %?)Zeiss Anastigmat (patent) 195mm

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