Dall-Kirkham reflecting telescope run at either f/7.7 or f/13.5. It was installed in February 1986. Photometric imaging is by CCD camera and spectroscopy is by fibre-optic cable to the HERCULES spectrograph.

The McLellan telescope is named after Alister McLellan who was the Head of the Department of Physics at University of Canterbury from 1955 to 1985. He was instrumental in the development of the Mt John Observatory and when it opened in 1965 he was appointed