diff --git a/00.brainstorming-pedagogical-teams/carovacauno/textbook.es.md b/00.brainstorming-pedagogical-teams/carovacauno/textbook.es.md
index 0f8018560..e5a75576e 100644
--- a/00.brainstorming-pedagogical-teams/carovacauno/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/carovacauno/textbook.es.md
@@ -24,6 +24,10 @@ $`\Delta\vec{E}\left(M,t\right)-\frac{1}{c^{2}}\frac{\partial^{2}\vec{E}\left(M,
 
 ### Notion d'échelle mésoscopique
 
+ray-optics-spherical-rmirror-stigmatism-paraxial-gauss-approximation_serieC_L1200
+
+![texto sin no veo la figura](Cray-optics-spherical-rmirror-stigmatism-paraxial-gauss-approximation_serieC_L1200.png)
+
 ![texto sin no veo la figura](Courbe_dispersion2.png)