Users can simply position the lens over the desired area and let CEREC Bluecam do the rest. In addition, the CEREC Bluecam acquires images automatically. According to the manufacturer, the CEREC Bluecam captures more detail than any other camera on the market. Sirona’s CEREC Bluecam provides the user with several advantages. The CEREC Bluecam is a handheld acquisition camera that uses a highly visible blue-light LED (light emitting diode) to capture digital impressions. Autorefractors, Keratometers & Tonometers.