Sky-Watcher StarTravel 102AZ3 f/4.9 Doublet Refracting Telescope

This Sky-Watcher 102mm (4-Inch) f/5 Achromatic Refractor Telescope; is a two-element, air-spaced, fully multi-coated objective, achromatic refractor. This telescope can give exciting "rich field" astronomical views. It is also a fine terrestrial telescope when mounted on an alt-azimuth mount or a photographic tripod. Crisp images at a reasonable price make it an excellent beginner's "first telescope", or a great travelling telescope for a more advanced observer.This 4-inch aperture model has great light collecting power and accepts 2-inch diagonals for awesome wide field views, with only a small amount of chromatic aberration. Weighing about 3kg (6.5-pounds) the optical tube assembly is readily carried and with a compressed length of approximately 50cm (21.7-inches) it is easily transported.As a refractor, it is quick and easy to set up and the low-maintenance, enclosed optics come fully collimated from the factory. The optical tube assembly comes with "tube mounting rings". These hin