Concept:In normal adjustment, the final image is formed at infinity.Explanation:The objective lens of a telescope forms a real image at its focal point.For the final image to be at infinity, this real image must lie exactly at the focal point of the eyepiece.Thus, the focal point of the objective coincides with the focal point of the eyepiece.This arrangement keeps the final image sharp and at infinity for convenient viewing.Answer:Option D: Objective focal point coincides with that of the eyepiece.