G312330322,PLANO-CONVEX LENS; N-BK 7; D=12.
G312330329,PLANO-CONVEX LENS; N-BK 7; D=12.
G312330525,PLANO-CONVEX LENS; N-BK 7; D=12.
G312331000,PLANO-CONVEX LENS; N-BK 7; D=18;
G312331322,PLANO-CONVEX LENS; N-BK 7; D=18;
G312331329,PLANO-CONVEX LENS; N-BK 7; D=18;
G312331525,PLANO-CONVEX LENS; N-BK 7; D=18;
G312332000,PLANO-CONVEX LENS; N-BK 7; D=31.
