ACHR. VIS ARB2; D=31.5; F=600; M
ACHR. VIS ARB2; D=31.5; F=400; M
PLANO-CONVEX LENS; FUSED SILICA;
BICONVEXL.; FUSED SILICA; D=22.4
ACHR. VIS ARB2; D=25.4; F=500; M
PLANO-CONC. LENS; FUSED SILICA;