In contrast to the refractor, due to light reflecting off a mirror rather than passing through a lens, no colour aberration or colour fringing is present.

Color fringing can make accurate drawing and painting difficult for users of strong eyeglass prescriptions.

In contrast to the refractor, due to light reflecting off a mirror rather than passing through a lens, no colour aberration or colour fringing is present.

In this magnified view, it becomes clear that, while the overall smoothness of the text seems to improve, there is also color fringing of the text.