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🎯 Method for tracing rays through an afocal telescope & calculating the magnification of an afocal telescope ✅ Objective, eyepiece, object, image, infinity ▶️ Playlist: ASTRONOMICAL TELESCOPE 🔦 Terminale Spé • ECE 🎯 Physics - Chemistry ✅ ASTRONOMIC TELESCOPE... 🔎 Chapters 00:00 BAC exercise 00:23 Trace rays through an astronomical telescope 03:16 Calculate magnification (astronomical telescope) 06:37 Review astronomical telescope 📝 Terminale specialty 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. → Use the characteristic data of a commercial telescope.