The Century Optics 0.6X Wide Angle Adapter Lens is designed for use with the Panasonic AG-HPX170 camcorder and AG-HMC10 camcorder.With 0.6x wide angle coefficient, this lens offers a wide angle that is 40% better than the stock lensIt has a focal length of 2.3-20mmThis wide angle adapter lens is mounted on to the camcorder directly using the bayonet mount that allows quick interchange of lens