Instruction/ maintenance manual of the product Scope 90 Celestron
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I I N N S S T T R R U U C C T T I I O O N N M M A A N N U U A A L L.
2 Table of Contents INTRODUCTION .......................................................................................................................... 3 ASSEMBLY ....................................................................................
3 Congratulations on your purchase of the Sk yScout Scope. The SkyScou t Scope is made of the h ighest quality materials to ensure stability and durability. All this add s up to a telescope that gives you a lifetim e of pleasure with a minim al amount o f mainte nance.
4 Figure 1-1 SkyScout Scope 90mm Refractor 1. Objective Lens 7. Erect Image Diagonal 2. Telescope Optical Tube 8. Focuser 3. SkyScout (not included) 9.
5 This section covers the assembly in structions for your Sk yScout Sc ope. Your telescope should be set up indoo r the first time so that it is easy to identify the various parts an d familiarize yourself with th e correct assem bly procedure before attempting it outdo or.
6 M M o o v v i i n n g g t t h h e e T T e e l l e e s s c c o o p p e e M M a a n n u u a a l l l l y y The SkyScout Scope Alt-Az m ount is easy to move wherev er you want to poi nt it. The up and down (altitude) is controlled by the pan ha ndle (Figure 2- 10).
7 I I n n s s t t a a l l l l i i n n g g t t h h e e D D i i a a g g o o n n a a l l The diagonal is a prism that diverts the light at a right an gle to the light path of the refractor. This allows you to observe in a pos ition that is more comfortable than if you looked straight through .
8 3 Center your target in the main optics of th e telescope. You may have to move the telescope slightly to center it. 4 Adjust the screw on the side of the finder brack e t un til the cross hairs are centered horizontally on the target seen through the telescope.
9 A telescope is an instrument that collects and focuses light . The nature of the optical design determines how the light is focuse d. Some te lescopes, known as refract ors, use lenses, .a nd other tel escopes, known as reflectors (Newtonians), use m i rror s.
10 Magnificatio n = ⎯⎯⎯⎯ ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ Focal Length of Eyepiece (mm ) Let’s say, for example, you are us ing the 10mm eyepiece that came with your telescope.
11 With your telescope set up, you are r e ad y to use it for observ ing. This section cov ers visual observing hints for both solar system and deep sky objects as well as general observ ing condition s which will affect your ability to observ e .
12 O O b b s s e e r r v v i i n n g g D D e e e e p p S S k k y y O O b b j j e e c c t t s s Deep-sky objects are simply those object s outsi de the boundaries of ou r solar system. They include s tar clusters, planetary nebu lae, diffuse nebul ae, double st ars and other galaxi es outside our o wn Milky Way.
13 While your telescope requires little maintenan ce, there are a fe w things to rem ember that will ensure your telescope performs at its best. C C a a r r e e a a n n d d C C l l e e a a n n i i n n.
14 You will find that additional accesso ries for your SkyScout Scope w ill enhance your viewing pleasure and expand the useful ness of your telescope.
15 TECHNICAL SPECIFICA TIONS 21068 Optical Design 90mm (3.5") refractor Focal Length 660mm F/7.3 Optical Coatings Fully coated Finderscope 6x30 Erect Image Mount Altazimuth Eyepieces 40mm (16.5x), 10mm (66x) Star Diagonal Erect Image diagonal -1.
2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Website www.celestron.com Copyright 2007 Celestron All rights reserved. (Products or instruct ions may change without notice or obligation.) Item # 21068-INST Printed in China $10.
An important point after buying a device Celestron Scope 90 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Celestron Scope 90 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Celestron Scope 90 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Celestron Scope 90 you will learn all the available features of the product, as well as information on its operation. The information that you get Celestron Scope 90 will certainly help you make a decision on the purchase.
If you already are a holder of Celestron Scope 90, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Celestron Scope 90.
However, one of the most important roles played by the user manual is to help in solving problems with Celestron Scope 90. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Celestron Scope 90 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
