Active Optics
This video shows the role of active optics at the Faulkes Telescope South at Siding Spring Observatory near Coonabarabran, NSW. Active optics work in real time to maintain the shape of the main mirror to ensure resolution is maximized.
Sample examination question - 2001 HSC Examination
A new generation of Earth-based optical telescopes is advancing optical astronomy. Describe the advanced in design that have been incorporated in large telescopes over recent years.