South TL13 girder adapter without centering. The adapter is equipped with a cylindrical level and a retractable top for mounting a reflector with a target or a GPS antenna.
The TL13 has a cylindrical hole with a set screw for mounting reflector systems or a special adapter for mounting the GPS receiver antenna.
Intended for use together with tragers of various modifications for the purpose of fixing prismatic systems/reflectors, marks, antennas, etc., on tripods. Suitable for all tripods with 3-pin fastening.