Optical Setup (IMAGE) Optica Caption Researchers developed a new multifocus technique that uses a z-splitter prism (right) to split detected light in a standard microscope. This simultaneously produces several images, each focused to a different depth in the sample, in a single camera frame. Credit Sheng Xiao, Boston University Usage Restrictions None License Licensed content 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.