The HDMI to SDI 3G is one of three key Blackmagic Micro Converters and has been designed specifically for professional monitoring. They are compact low-cost broadcast-quality converters that are both durable and multi-functional; ideal for high-end film TV and post-production work. This device is ideal for connecting HDMI cameras and computers to professional SDI equipment. You are provided with two 3G-SDI outputs set to either level A or level B formats. It even goes as far as to support feature film video formats to include 1080p24 1080p47.95 and 1080p48; something cheaper converters can only dream of doing.

Blackmagic Design – Micro Converter HDMI to SDI 3G
$48.23