diff --git a/12.temporary_ins/65.geometrical-optics/10.introduction/20.overview/Opt_geom_1.jpg b/12.temporary_ins/65.geometrical-optics/10.introduction/20.overview/Opt_geom_1.jpg new file mode 100644 index 000000000..04690cfa7 Binary files /dev/null and b/12.temporary_ins/65.geometrical-optics/10.introduction/20.overview/Opt_geom_1.jpg differ