It is nearly identical to the XH-G1, with HD SDI, genlock and time code terminal, except for the professional jack pack. With its features and image control options, the XH-A1 is perfect for amateur directors and photographers. It is an easy to use camcorder that makes you feel like an expert. With Precision high-quality optics and long 20x, 72mm manual focus, zoom and iris rings on the barrel of the lens, the XH-A1 is the only one in its class with an on-lens manual servo-controlled iris. Manual audio controls with 2-channel XLR inputs and several frame modes rounds out this excellent product. Sporting three 1/3" (1440 x 1080 pixels) CCDs, the XH-A1 is an exceptionally robust camcorder equipped with a very accessible HDV tape format that is bound to serve both middle range and high-end consumers alike.