1.50 - CR 39
1.52 - Hartglas
1.53 - Trivex
1.59 - Polycarbonat
1.60 - High Index
1.67 - High Index
1.74 - High Index
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
1.50 - CR 39
1.52 - Hartglas
1.53 - Trivex
1.59 - Polycarbonat
1.60 - High Index
1.67 - High Index
1.74 - High Index
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10