Sky-Watcher
Sky-Watcher Evostar 90 Refractor Telescope + EQ3-2 Mount #10725 (UK Stock) BNIB
Sky-Watcher Evostar 90 Refractor Telescope + EQ3-2 Mount #10725 (UK Stock) BNIB
The Sky-Watcher EVOSTAR-90 (EQ3-2) telescope is a classic two-element, air-spaced, achromatic refractor. It is an outstanding, high-performance, high-resolution instrument manufactured to high standards of optical and mechanical precision. With its long focal length and breathtaking, diffraction limited optical performance, it is ideal for the detailed high-power study of the Moon, Double-Stars, Planets and other objects in our solar system, providing crisp contrasty images. Supplied with the EQ3-2 equatorial mount, which when polar aligned, will allow you to easily track objects as they move across the night sky via its slow motion control cables. AIR-SPACED TWO-ELEMENT ACHROMATIC REFRACTORS Photo Express & The Photography Shop Delivery Information FREE Fedex Priority 24 & 48 Delivery to Zone 1 Areas
An ordinary single lens brings different wavelengths of light to different focal points. All Sky-Watcher Refractors are built with air-spaced two-element lenses, which reduce chromatic aberration more than standard doublet lenses.