This problem occurs more abruptly when the circumference of the mirror is larger. However, because of the spherical nature of this mirror, the parallel light that hits the mirror will ultimately not focus on a singular focal point resulting in the image produced being far less focused and blurry. These mirrors are often not completely spherical in the sense that they’re not in the shape of sphere but simply a cut out of the top of a sphere, acting kind of like a cap.Īs there are basically two different types of spherical mirrors, the manner in which they act are also unsurprisingly different.Ĭoncave mirrors are the mirrors used within a telescope and as you can guess they’re primarily used to magnify the image that will inevitably reach your eyes. They can either be as convex mirrors or concave. Spherical mirrors are commonly manufactured using machinery and can be found in one of two shapes. The Main Differences Between Parabolic And Spherical Mirrors.The Pros And Cons Of A Parabolic Mirrors.