diff --git a/12.temporary_ins/65.geometrical-optics/70.optical-instruments/40.refracting-telescope/20.overview/lunette_astro_cercle_oculaire.gif b/12.temporary_ins/65.geometrical-optics/70.optical-instruments/40.refracting-telescope/20.overview/lunette_astro_cercle_oculaire.gif new file mode 100644 index 000000000..0badcfb05 Binary files /dev/null and b/12.temporary_ins/65.geometrical-optics/70.optical-instruments/40.refracting-telescope/20.overview/lunette_astro_cercle_oculaire.gif differ