G052211329,BICONVEX LENS; N-BK 7; D=12.7; F
G052211525,BICONVEX LENS; N-BK 7; D=12.7; F
G052212000,BICONVEXL.; FUSED SILICA; D=6; F
G052212322,BICONVEX LENS; FUSED SILICA; D=6
G052212329,BICONVEX LENS; FUSED SILICA; D=6
G052212525,BICONVEX LENS; FUSED SILICA; D=6
G052213000,BICONVEXL.; FUSED SILICA; D=10;
G052213322,BICONVEX LENS; FUSED SILICA; D=1
