Libec AP-X (APX) Adapter plate (for use with HFMP + TH-X). This snap ON/OFF quick release plate enables smooth attachment/release while holding a camera. The Manfrotto/Sachtler compatible plate allows users to quickly interchange shots without changing quick release plates. The adapter plate could be attached to various camera supports with 1/4" and 3/8" screw holes on the back side.