Scientific Digital Imaging plc (SDI) is a United Kingdom-based company. SDI is focused on the application of digital imaging technology to the needs of the scientific community. The Company operates is a single segment being the supply of digital imaging equipment, encompassing Synoptics three marketing brands: Syngene, Synbiosis, Syncroscopy and the Alik brand. SDI through its subsidiaries offers a range of digital imaging solutions. The Company�s principal subsidiary, Synoptics Limited, is engaged in designing and manufacturing special-purpose instruments for use in the life sciences. Synoptics offers its products through for divisions: Syngene, Synbiosis, Syncroscopy and Synoptics Health. The Company�s subsidiaries include Synoptics Limited, Artemis CCD Limited, Perseu Comercio De Equipamento Para Informatica E Astronomica SA.