G311319525,BICONVEX LENS; N-BK 7; D=22.4; F
G311320000,BICONVEX LENS; N-BK 7; D=22.4; F
G311320322,BICONVEX LENS; N-BK 7; D=22.4; F
G311320329,BICONVEX LENS; N-BK 7; D=22.4; F
G311320525,BICONVEX LENS; N-BK 7; D=22.4; F
G311321000,BICONVEX LENS; N-BK 7; D=25.4; F
G311321322,BICONVEX LENS; N-BK 7; D=25.4; F
G311321329,BICONVEX LENS; N-BK 7; D=25.4; F
