The Sky-Watcher Evostar-90 (AZ3) Telescope is a two-element, air-spaced, multi-coated objective achromatic refractor. This telescope is a truly outstanding, high-performance, high-resolution instrument, which is manufactured to extremely high standards of optical and mechanical precision.

These telescopes have long focal lengths and breathtaking, diffraction limited optical performance. They are ideal for the detailed high-power study of the Moon, Planetary Surfaces and other objects in our solar system, giving crisp contrasty images.