PLANO-CONVEX LENS; FUSED SILICA;
PLANO-CONC. LENS; N-BK 7; D=25.4
BICONVEXL.; N-BK 7; D=25.4; F=50
BICONVEXL.; N-BK 7; D=25.4; F=30
NEUTRAL FILTER; T=40%; D=22.4; M
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
PLANO-CONVEX LENS; N-BAK4; D=31.
