G311335525,BICONVEX LENS; N-BK 7; D=31.5; F
G311338000,BICONVEXL.; N-BK 7; D=22.4; F=20
G311338322,BICONVEX LENS; N-BK 7; D=22.4; F
G311338329,BICONVEX LENS; N-BK 7; D=22.4; F
G311338525,BICONVEX LENS; N-BK 7; D=22.4; F
G311339000,BICONVEX LENS; N-BK 7; D=31.5; F
G311339322,BICONVEX LENS; N-BK 7; D=31.5; F
G311339329,BICONVEX LENS; N-BK 7; D=31.5; F
