G052201322,BICONVEX LENS; N-BAK 4; D=6; F=5
G052201329,BICONVEX LENS; N-BAK 4; D=6; F=5
G052201525,BICONVEX LENS; N-BAK 4; D=6; F=5
G052202000,BICONVEXL.; N-BAK 4; D=8; F=7; M
G052202322,BICONVEX LENS; N-BAK 4; D=8; F=7
G052202329,BICONVEX LENS; N-BAK 4; D=8; F=7
G052202525,BICONVEX LENS; N-BAK 4; D=8; F=7
G052203000,BICONVEXL.; N-BAK 4; D=10; F=10;
