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Why do the nodal, and principal points of a coaxial optical system coincide when the when the whole system is in the same medium?
Can you explain to me why do the nodal and principal points of a coaxial optical system coincide when the whole system is in the same medium?
Sure! In a coaxial optical system, the nodal and principal points coincide when the entire system is immersed in the same medium because the refractive index of the medium outside the system becomes irrelevant in such a case.