G052204000,BICONVEXL.; N-BK 7; D=12.5; F=12
G052204322,BICONVEX LENS; N-BK 7; D=12.5; F
G052204329,BICONVEX LENS; N-BK 7; D=12.5; F
G052204525,BICONVEX LENS; N-BK 7; D=12.5; F
G052205000,BICONVEXL.; N-BK 7; D=12.7; F=15
G052205322,BICONVEX LENS; N-BK 7; D=12.7; F
G052205329,BICONVEX LENS; N-BK 7; D=12.7; F
G052205525,BICONVEX LENS; N-BK 7; D=12.7; F