1. A system, comprising: a detachable laser range finding attachment (LRFA) comprising: an emitter and a receiver situated within a housing, the emitter and receiver configured to emit and receive, respectively, laser radiation and reflected laser radiation; and a data connector situated on the housing; and a mobile computing device (MCD) engaged within the housing of the LRFA, wherein the housing of the LRFA is configured to physically couple the MCD and the LRFA and to retain the MCD within the LRFA housing with a flexible lip, wherein the MCD is configured to provide at least viewfinder functionality on a graphical user interface (GUI) to permit targeting of an object with the emitted laser radiation, and wherein an emission axis and a receiving axis of the emitter and receiver, respectively, are oriented perpendicularly to a plane formed by the GUI of the MCD.