diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/07.optical-instruments-design/05.refracting-telescope/02.new-course-overview/lunette_astro_cercle_oculaire.gif b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/07.optical-instruments-design/05.refracting-telescope/02.new-course-overview/lunette_astro_cercle_oculaire.gif deleted file mode 100644 index 24aa9576f..000000000 Binary files a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/07.optical-instruments-design/05.refracting-telescope/02.new-course-overview/lunette_astro_cercle_oculaire.gif and /dev/null differ