High Quality Content by WIKIPEDIA articles! The XH-A1S is a camera manufactured by Canon. THe XH-A1S is an updated version of Canon's XH-A1, and a newer version of the Canon GL2. IT is generally used for independent filmmakers. IT is one of the top Prosumer Camcorders in the market today. THe XH-A1S has a new and improved 20x zoom. THe new three ring iris, zoom, and focus feature allows you to zoom and focus at the same time. THe 3CCD system offer 800 TV lines, which is the highest in HDV standard. THis is Canon's next generation of video processing and it ensures the best optimal quality and color reproduction for high-definition video.