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Summary of Contents for Coleman AT50
- Page 1 AT50 I N S T R U C T I O N S & O W N E R ’ S M A N U A L Please retain the packaging and instructions for further reference, as they contain important information.
- Page 2 With the proper care and handling of your telescope, you will enjoy years of viewing pleasure. As an astronomical device, the AT50 telescope has been designed for both a beginner and advanced star gazer. It provides views of the moon and planets, as well as dozens of galaxies, star clusters, and nebulae.
- Page 3 PARTS LIST FOR AT50 Telescope: WARNING! CHOKING HAZARD Small parts. Not suitable for children under 3 years. Specifications, colors, packaging, and/or contents of this manual are subject to change without notice.
- Page 4 ASSEMBLY: 1) Carefully remove all parts from the cardboard cartons and lay them on a table, floor or other flat surface in order to take an inventory of all the pieces. Keep your box for storage or in case you ever need to ship your telescope. 2) Remove the tripod (1) from the box.
- Page 5 8) Remove the finderscope and the finderscope bracket (6) from the box. Remove the two knurled thumbscrews from the telescope main tube (See Illustration 3). Position the finderscope bracket onto the telescope tube so that the holes in the base of the bracket line up with the exposed holes in the telescope tube.
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Page 6: Finder Scope Alignment
HOW TO USE YOUR COLEMAN AT50 FINDER SCOPE ALIGNMENT Since a telescope by design has a narrow field of view, it can be challenging to locate the particular object you wish to view. For this reason the telescope is fitted with a low-power, wide-field miniature optical device called a finder scope. - Page 7 10mm of objective lens diameter. Another good rule of thumb is that the usable magnification of a telescope is about 3x per mm of the aperture (for the AT50, the aperture is 50mm) under good conditions. Thus, magnification of around 150x or less is ideal for a telescope with a 50mm diameter objective mirror (aperture) and is best for observing most celestial objects.
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Page 8: Using Your Telescope
E. USING YOUR TELESCOPE: 1) It is recommended to use your telescope outside or at times through open windows. Your view can be distorted by reflections in the glass of a closed window or at times by air currents of differing temperatures passing through an open window. 2) Let your telescope adjust to the outside temperature. -
Page 9: Care And Cleaning Of The Optics
G. CARE AND CLEANING OF THE OPTICS: The optical components of a telescope will get dirty over time. Dirt or dust on a lens should be removed with the utmost care. A considerable amount of dirt or dust would have to accumulate on the optical surface before your view would be compromised. - Page 10 The popular and more familiar constellations often provide the easiest landmarks to help find the planet’s locations and paths of orbit. Most people have looked up at the sky at night and seen some of the planets without even realizing it. A planet looks like a bright star but does not twinkle like a star does;...
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Page 11: Frequently Asked Questions
With handy tips in the Sky Guide, printable star charts and 50 interactive guided tours for an up-close, in-depth look at planets and stars in our solar system, the wonders of the universe will be at your fingertips. The CD also features object descriptions of 400 popular deep space objects -from double stars to lenticular galaxies, a comprehensive User’s Guide and much more! J. - Page 12 Elite Brands Inc. 499 Seventh Avenue North Tower, 17th Flr. New York, NY 10018 Tel: 1-800-441-1100 ©2014 ©2014 Elite Brands Inc., New York, NY 10018...
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