The phrase "telescope design" refers to the process of creating and planning the physical structure, features, and functionality of a telescope. Full definition
For a time telescopes were developed with either lenses or mirrors, but the understanding of telescope design improved, and telescopes using mirrors became the choice for larger telescopes. (keckobservatory.org)
BICEP2 builds on the small aperture telescope design of BICEP1, but greatly increases the number of detectors to increase mapping speed. (cfa.harvard.edu)
We don't want brain and data drain from Africa to the U.S.» The biggest game - changer on the continent will be the Square Kilometer Array (SKA), the world's largest network of radio telescopes designed to survey the sky faster than any instrument before it. (scientificamerican.com)