G311207525,BICONVEX LENS; FUSED SILICA; D=2
G311208000,BICONVEX LENS; FUSED SILICA; D=2
G311208322,BICONVEX LENS; FUSED SILICA; D=2
G311208329,BICONVEX LENS; FUSED SILICA; D=2
G311208525,BICONVEX LENS; FUSED SILICA; D=2
G311209000,BICONVEX LENS; FUSED SILICA; D=2
G311209322,BICONVEX LENS; FUSED SILICA; D=2
G311209329,BICONVEXL.; FUSED SILICA; D=22.4
