Embodiments related to establishing and maintaining precision alignment in an optical system are disclosed. For example, one disclosed embodiment provides an optical device comprising an outer casing and a rigid optical support disposed within an interior of the outer casing and to which a plurality of optical components are mounted. The embodiment further comprises a printed circuit board spatially separated from the optical support and the plurality of optical components, wherein one or more electrical components are mounted to the printed circuit board. The embodiment also comprises one or more electrical conductors electrically connecting the one or more electrical components to the one or more optical components.