Sky Watcher Sky-Watcher 70mm x 500mm Short Tube Refractor BK705AZ3

Sky Watcher Sky-Watcher 70mm x 500mm Short Tube Refractor BK705AZ3 Product Description

The Sky Watcher 70mm 2.8 f/5 and 80mm 3.1 telescopes are 2 element, air spaced, fully multi coated objective, refractors. The 80mm f5 is a well proven performer which gives rich field views of star fields, clusters, nebulae, bright galaxies, planets, the Moon and with correct filtering or by projection the Sun, as well as excellent terrestrial views. Both telescopes give images which are crisp and with very little chromatic aberration.

1 of the greatest assets of these solidly built telescopes is portability. The light weight optical tubes 1.25kg 2.8lbs for the 70mm and 1.5kg 3.3lbs for the 80mm , and the compressed lengths of about 380mm 15 and 480mm 18 make them take it with me telescopes. Their optical tubes can be adapted to fit into an airline carry on bag, or into a hiker 39 s backpack. Whether they are to be used as a beginner 39 s telescope, a rich field , a backup, a guide scope or a travelling telescope, the very reasonable prices make them choices to seriously consider.

They are quick and easy to set up and the low maintenance, enclosed optics come fully collimated from the factory. Alignment of the finderscope and polar alignment of the optional equatorial mount are all that are needed to start viewing. The optical tube assemblies are held firmly by hinged, felt lined tube mounting rings which allow easy installation and optical tube rotation and balancing. Mounting 1 of these telescopes on the supplied aluminum alt azimuth mount or a photographic tripod is quick and simple with the supplied multi function mount plate .

Both telescopes perform well as a fixed aperture lenses for both astrophotography and terrestrial photography. The fast focal ratios, combined with today 39 s high speed films, make them useful for capturing lunar and solar eclipses as well as nature photographs. With a suitable T adapter, a camera can be connected directly to the T mount thread on the eyepiece holder and a supplied 60mm 2.4 extension tube allows closer focussing for terrestrial photography.
Specifications

Package Contents

• Sky Watcher 70mm x 500mm Short Tube Refractor BK705AZ3
• 1.25 Super 25 and 10
• Red Dot Finder
• Standard accessories may vary