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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. Specifications Magnifications with eyepieces supplied x36 x90Highest Practical Power Potential x180Objective Lens Diameter 90mmTelescope Focal Length 900mm f106x30 Finderscope45 deg Erect Image Diagonal 1.25Multi Coated Objective LensAZ3 Deluxe Alt Azimuth MountAluminium Tripod with Accessory Tray65% more Light Gathering than 70mm
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