Diffraction Harmonic Lens. How it Works? (video) Samara University Share Print E-Mail Loading video... Caption Scientists of Samara University Reduced the Weight of Optics for Satellite Observation of the Earth by 100 Times Credit Samara University Usage Restrictions None 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.