A dot sighting device includes a housing, a light source, a beam splitter and a reflective element. The housing has a first opening and a second opening. A first axis is defined from the first opening to the second opening. The light source emits light. The beam splitter includes a surface that reflects at least a portion of a first light component and transmits at least a portion of a second light component. The second light component is defined as light that enters the housing through the first opening.