--- /dev/null
+Schott F 7, 334nm - 2325nm\r
+USER\r
+2 1\r
+SQRT(1+B1*wvl^2/(wvl^2-C1)+B2*wvl^2/(wvl^2-C2)+B3*wvl^2/(wvl^2-C3))\r
+0\r
+B1: 1.35918954E+00;\r
+B2: 2.09887471E-01;\r
+B3: 8.81405771E-01;\r
+C1: 1.01796354E-02;\r
+C2: 4.83605548E-02;\r
+C3: 1.10387289E+02;
\ No newline at end of file