G311387322,BICONVEX LENS; N-BK 7; D=12.7; F
G311387329,BICONVEX LENS; N-BK 7; D=12.7; F
G311387525,BICONVEX LENS; N-BK 7; D=12.7; F
G311711000,BICONVEX LENS; FUSED SILICA; D=3
G311711322,BICONVEX LENS; FUSED SILICA; D=3
G311711329,BICONVEX LENS; FUSED SILICA; D=3
G311711525,BICONVEX LENS; FUSED SILICA; D=3
G311712000,BICONVEX LENS; FUSED SILICA; D=3
