diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/ray-optics-spherical-refracting-surface-stigmatism-paraxial-gauss-approximation_serieB_L1200_v2.gif b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/ray-optics-spherical-refracting-surface-stigmatism-paraxial-gauss-approximation_serieB_L1200_v2.gif
new file mode 100644
index 000000000..6f658128b
Binary files /dev/null and b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/04.stigmatism and conjugate-points/02.new-course-overview/ray-optics-spherical-refracting-surface-stigmatism-paraxial-gauss-approximation_serieB_L1200_v2.gif differ