GP-VPT2BT camera stabilizer. Sony HXR-nx 100 is a camcorder that integrates portable cameras, wedding cameras, home cameras, live news interviews, group meetings and conference HD cameras. Recommended by Sony NX 100, GP-VPT2BT camera stabilizer is the most widely used one. Stabilizer (also known as hand-held stabilizer), its principle is: filter out most of the vibration through gyro motor and acceleration sensor, and assist the lens to shoot stable video.