Baltar 50mm f/2.3 Motion Picture Lens
Lens
Bausch + Lomb Optical Co.
American, estab. 1853
Baltar 50mm f/2.3 Motion Picture Lens
ca 1940
Metal and glass
Overall: 2 1/4 × 2 1/4 × 3 in., 1.3 lb. (5.7 × 5.7 × 7.6 cm, 0.6 kg)
Gift of Hearst Metrotone News, Inc., 1979
1979.2910.0010
DescriptionSerial # XF985 Chrome, motion picture camera lens with focus ring and aperture ring
Inscriptions Engraved in white on front of lens: BALTAR 50mm f/2.3 XF985 BAUSCH & LOMB OPTICAL CO. ROCHESTER, N.Y., U.S.A. / Engraved in black on focus ring: 2, 3, 4, 5, 6, 8, 10, 12, 15, 25, 50, INF / Engraved in black on aperture ring: T, 2.5, 2.8, 4, 5.6, 8, 11, 16, 22
