G311300000,BICONVEX LENS; N-BAK 4; D=10; F=
G311300322,BICONVEX LENS; N-BAK 4; D=10; F=
G311300329,BICONVEX LENS; N-BAK 4; D=10; F=
G311300525,BICONVEX LENS; N-BAK 4; D=10; F=
G311308000,BICONVEX LENS; N-BK 7; D=22.4; F
G311308322,BICONVEX LENS; N-BK 7; D=22.4; F
G311308329,BICONVEX LENS; N-BK 7; D=22.4; F
G311308525,BICONVEX LENS; N-BK 7; D=22.4; F