Sony HT-S20R Real 5.1ch Dolby Digital Soundbar for TV with subwoofer and Compact Rear Speakers, 5.1ch Home Theatre System (400W,Bluetooth & USB Connectivity, HDMI & Optical connectivity) 386 reviews ₹ 17,990 (incl. of all taxes) Sony rebranded the company's line of cameras as its Alpha line. Sony is the world's third largest manufacturer of the cameras, behind Canon and Nikon respectively. In 2010, Sony introduced their first mirrorless interchangeable-lens cameras, which were the NEX-3 and the NEX-5. They also started a new lens mount system, which was the E-mount. SKVtITt.