G312201000,PLANO-CONVEX LENS; N-BAK2; D=6;
G312201322,PLANO-CONVEX LENS; N-BAK2; D=6;
G312201329,PLANO-CONVEX LENS; N-BAK2; D=6;
G312201525,PLANO-CONVEX LENS; N-BAK2; D=6;
G312236000,PLANO-CONVEX LENS; N-BAK4; D=10;
G312236322,PLANO-CONVEX LENS; N-BAK4; D=10;
G312236329,PLANO-CONVEX LENS; N-BAK4; D=10;
G312236525,PLANO-CONVEX LENS; N-BAK4; D=10;