PLATO cameras composite (IMAGE) Royal Astronomical Society Caption Ten of the final cameras have been built and tested and the first of these was mounted onto the optical bench - the surface which keeps all cameras pointed in the right direction - earlier this year. Credit OHB System AG Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.