G311310329,BICONVEX LENS; N-BK 7; D=22.4; F
G311310525,BICONVEX LENS; N-BK 7; D=22.4; F
G311314000,BICONVEX LENS; N-BK 7; D=22.4; F
G311314322,BICONVEX LENS; N-BK 7; D=22.4; F
G311314329,BICONVEX LENS; N-BK 7; D=22.4; F
G311314525,BICONVEX LENS; N-BK 7; D=22.4; F
G311315000,BICONVEX LENS; N-BK 7; D=22.4; F
G311315322,BICONVEX LENS; N-BK 7; D=22.4; F