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Celestron 21052 manual

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Table of contents for the manual

  • Page 1

    F F I I R R S S T T S S C C O O P P E E 6 6 0 0 A A Z Z R R E E F F R R A A C C T T O O R R S S MODELS #21052 F F I I R R S S T T S S C C O O P P E E 7 7 0 0 A A Z Z R R E E F F R R A A C C T T O O R R MODEL #21071 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[...]

  • Page 2

    2[...]

  • Page 3

    3 I I N N T T R R O O D D U U C C T T I I O O N N Congra tulati ons on your purc hase and welcome to the Celestron world of am ateur ast ronomy . Some of the term s and parts described in these instructions m ay be new to y ou, so a few com monly used terms y ou’ll want to b e fam iliar with are defin ed be low. Altazim uth moun t - the simplest [...]

  • Page 4

    4 T T H H E E F F I I R R S S T T S S C C O O P P E E 6 6 0 0 R R E E F F R R A A C C T T O O R R The Firstscope AZ is a classical, tw o elem ent refracting telescope that com es on an altazim uth m ount. This section inst ructs y ou on the proper ass embly and use of your Firsts cope telescope, w hich is shipped in on e box, contain ing all the pa[...]

  • Page 5

    5 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 T T e e l l e e s s c c o o p p e e O O n n t t o o t t h h e e M M o o u u n n t t 1 . Slid e the slo w m o tion r od t hrough the adj ustment hole on the sid e of t he tele scop e tube . 2 . Place the telescope tube ins ide the altazimuth mount. 3 . Insert the altitude adj ustment screws (star[...]

  • Page 6

    6 the side and bottom of the Star Pointer. The alignm ent procedure is best d one at night sin ce the LED dot will be difficult to see during the day . 1. To turn on the Star Pointer, rotate the variable brightness control clockw ise until y ou here a "click". T o increase the brigh tness level of the red dot, continue rotatin g the contr[...]

  • Page 7

    7 Therefore, if y ou use the 20m m ey epiece you r magni fication is 700/20 = 35x. The sam e form ula can be applied to any of your ey epieces. Celestron offers numerou s optional eyepieces to expand you r range of m agnification . Eyepieces com e in barrel diameters of .96" and 1¼". In general, 1¼" eyepieces are of a higher optica[...]

  • Page 8

    8 The drawi ng of Ju piter provides a good repres entation of what y ou can ex pect to see w ith moderat e magn ification, during good “seeing ” conditions. Observing the Sun Although overlooked by many amateur astronomers, solar o bservation is b oth rewarding and fun. However, because the sun is so bright, special precau tions mu st be taken [...]

  • Page 9

    9 O O p p t t i i o o n n a a l l A A c c c c e e s s s s o o r r i i e e s s Celestron offers a f ull line of option al accessories for you r Firstscope telescope. P lease consult the Celestron Access ory Catal og (#93685) for a com plete description . Eyepieces - A n assortme nt of 1¼" eyepieces are available to g ive you a wide rang e of m[...]

  • Page 10

    CELESTRON TWO YEAR WARRANTY A. Ce lestr on war rants this tele scope to be f ree f rom de fects in mate rials and w orkmans hip for tw o y ears. Ce lestro n wil l repa ir or repl ace such pro duct or part the reof which, upon inspe ction by Celes tron, is fo und to be def ective in mate rials o r w orkmanship . As a condition to the obligatio n of [...]