Who can tell me about his Bausch & Lomb lens? The main barrel is about 4 7/8 inches long. It is chrome plated. The main barrel fits inside a slightly larger black barrel and the main barrel moves moves back and forth by a geared mechanism. The main barrel is about 2 5/8 inches in diameter. Stamped in white on the main barrel is: BAUSCH & LOMB OPTICAL CO. Rochester N.Y. U.S.A. 3208053. The front element has a black screw off ring which has 15 In. E.F. stamped on it.
David Michael Bigeleisen
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