G313374525,BICONCAVE LENS; N-BK 7; D=12.7;
G313375000,BICONCAVE LENS; N-BK 7; D=12.7;
G313375322,BICONCAVE LENS; N-BK 7; D=12.7;
G313375329,BICONCAVE LENS; N-BK 7; D=12.7;
G313375525,BICONCAVE LENS; N-BK 7; D=12.7;
G314001000,PLANO-CONC. LENS; N-BK 7; D=6; F
G314001322,PLANO-CONC. LENS; N-BK 7; D=6; F
G314001329,PLANO-CONC. LENS; N-BK 7; D=6; F
