[b][i]Spherical Mirrors Vs. Parabolic Mirrors[/i][/b][br]Reflexion on a Spherical Surface[br]Spherical Mirrors: Concave mirror, Linear object[br]★Parabola plotted with equal focus f = (2.0) as the approximate spherical mirror.[br]★The parabole does not generate the error FOCUS.[br]★The spherical mirror fails for angles that deviate from its approximate coincidence with the parabola.