PLANO-CONC. LENS; FUSED SILICA;
PLANO-CONVEX LENS; FUSED SILICA;
BICONVEXL.; N-SK2; D=31.5; F=30;
BICONVEXL.; N-BK 7; D=31.5; F=40
PLANO-CONVEX LENS; N-BK7; D=31.5
