--- /dev/null
+Schott SF 58, 405nm - 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 1.92184332E+00;\r
+B2 5.52191937E-01;\r
+B3 1.11643502E+00;\r
+C1 1.49262604E-02;\r
+C2 6.14139252E-02;\r
+C3 1.23450367E+02;
\ No newline at end of file