Perkin-Elmer F/12 680mm F/12 Compact Telephoto Lens
Perkin-Elmer f/12 680mm F/12 Compact "Solid Cat (Catadioptric)" Telephoto Lens (Serial No. 244) with hard plastic case. Manufactured by Perkin-Elmer Co. in NY for the US Military. Etched into Barrel "U.S. Army/BRL APG Md." Provenance: The Kaprelian Camera Collection, Philadelphia, PA.
B – good condition