An adjustable mirror mechanism includes a first connection section, a mirror lens carrier or support having a second connection section receiving and/or engaging the first connection section, and a mirror housing having a third connection section receiving and/or engaging the second connection section of the mirror lens carrier. The first connection section and/or the mirror lens carrier are fastened and/or secured to the mirror housing, and the mirror lens carrier is configured to receive a mirror lens. In some embodiments, the mirror lens carrier engages the rim of the mirror housing for added stability on one or more sides.