Model Name Specification(mm) Technical Parameters Diameter Thickness Curvature radius Diaphragm Diametr Number of layers Reflictivity JF1201 20 plane mirror 20 4 10 9 98 JF1202 20 plane mirror 20 4 10 17 98.5 JF1203 20 spherical mirror 20 4 -500 10 17 99.7 JF1204 20 spherical mirror 20 4 -1000 10 17 99.7 JF1205 20 spherical mirror 20 4 -1500 10 17 99.7 JF1206 20 spherical mirror 20 4 -2000 10 17 99.7 JF1207 20 spherical mirror 20 4 -3000 10 17 99.7 JF1208 20 spherical mirror 20 4 -5000 10 17 99.7 JF1209 20 spherical mirror 20 4 -75000 10 17 99.7 JF1251 25 plane mirror 25 5 12 9 98 JF1252 25plane mirror 25 5 12 11 98.5