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🎯 QCM / Revision quiz ✅ Objective, eyepiece, object, image, infinity ▶️ Playlist 💪 ASTRONOMICAL TELESCOPE 🔦 Terminale Spé: • ASTRONOMICAL TELESCOPE 🔦 Terminale Spé 🔎 Chapters 00:00 QCM / Quiz to revise 📝 Terminale speciality program Tle: → Optical model of an astronomical telescope with converging objective and eyepiece. → Magnification. → Represent the diagram of an afocal telescope modeled by two thin converging lenses; identify the objective and the eyepiece. → Represent the emerging beam coming from an object point located "at infinity" and passing through an afocal telescope. → Establish the expression for the magnification of an afocal telescope. → Exploit the characteristic data of a commercial lens.