ZTF/Palomar (image) University of Washington Share Print E-Mail Caption The ZTF installed on the 1.2-meter diameter Samuel Oschin Telescope. The large-format CCD camera at the heart of the ZTF is located inside the telescope tube, at the focus of the primary mirror. Credit Caltech Optical Observatories Usage Restrictions Must include credit. Share Print E-Mail 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.