The BlackMagic Design ATEM Studio Converter 2 is the ideal partner for the ATEM Camera Converter. Connect up to four Camera Converters via optical fiber up to 28 miles away with bi-directional video plus tally and talkback! Connect your ATEM switcher program output to the ATEM Studio Converter and this is distributed to the four Camera Converters. Multiple Studio converters can be cascaded together when more than 4 cameras are needed. Studio converter can also be used as four independent SDI or Fiber to HDMI converters and four independent simultaneous SDI to Optical and Optical to SDI converters.