Celestron 82291 - Manual

Celestron 82291

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Table of Contents:

  • Page 2 – carefully so that it cannot be reached by; inexperienced adults; . Consider that a heavily; The incoming light; the light out of the tube and
  • Page 3 – coma error; Thermal turbulences blur the image to a; To obtain best results from collimation; ) The main and the secondary mirrors must be centered in the tube.; What is the function of our Laser-Colli; is slid into
  • Page 4 – will be switched on by turning the
  • Page 5 – t see any reflected dot at the reference plate due to a moderate; Step-by-step procedure to collimate your Newtonian telescope; ° angle against the ocular holder,
  • Page 6 – Following pictures show the view from the tube; Picture 1 left; shows the laser beam
  • Page 7 – Picture 2 below; The laser; Remember to switch off the Laser Colli; Details are shown in the sketch .
  • Page 8 – If
  • Page 9 – shows the coma error in a heavily misaligned; Picture right; shows a star image also highly enlarged after; Adjusting SC-Optics by means of a laser is not an easy task.
  • Page 10 – WARNING; possibly; tion in the original instruction manual .
  • Page 11 – Changing batteries; s housing for changing the; s at it; B A A DER PL A NETA RIUM; A word of caution when collimating SC
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Adjustment (Collimation) of

Newtonian- and SC-Telescopes

with the help of the

LASER-COLLI

TM

by Baader Planetarium

Instruction Manual

2005 by Baader Planetarium GmbH

B A A DER PL A NETA RIUM

Zu r St er n w ar t e • 82291 Mam m end o r f • Tel.08145/8802 • Fax 08145/8805

ww w.b aad er _pl an et ari um .de • s er vi c e@b aad er -pl an et ari um .de • www.c eles tr o n .de

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Summary

Page 2 - carefully so that it cannot be reached by; inexperienced adults; . Consider that a heavily; The incoming light; the light out of the tube and

2 Adjustment of Newtonian Telescopes with the Laser-Colli ™ by Baader Planetarium Caution: LASER ! Never ever look directly into a laser beam! Protect your eyes!!Store the Laser-Colli ™ carefully so that it cannot be reached by children or inexperienced adults . Consider that a heavily Miss-aligned ...

Page 3 - coma error; Thermal turbulences blur the image to a; To obtain best results from collimation; ) The main and the secondary mirrors must be centered in the tube.; What is the function of our Laser-Colli; is slid into

3 Loss of collimation is an important factor to be aware of with telescopes of any design if perform-ance ‘ falls off ’ at any time. A refractor ’ s eyepiece tilted within its eyepiece holder will show the same low quality blurred i m- ages. This holds true with all other mirror telescope systems li...

Page 4 - will be switched on by turning the

4 Of course, the Laser - Colli ™ functions reliably only if the laser beam it-self leaves its own hous-ing in an absolutely cen-tered position. Therefore the laser sourceis symmetrically adjust-able in the housing aroundits rotational axis, whichhas been carefully ad-justed on a mechanicallathe by u...

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