Instruction d'utilisation Meade Telestar 40AZ-T

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Instruction Manual
Telestar 40AZ-T
40mm Altazimuth Refracting Telescope
Meade Instruments Corporation

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CAUTION: ADULT SUPERVISION IS RECOMMENDED. THIS TELESCOPE IS NOT APPROPRIATE FOR CHILDREN BELOW THE AGE OF 3 YEARS. WARNING: NEVER USE THE AZ-T TELESCOPE TO LOOK AT THE SUN! LOOKING AT OR NEAR THE SUN WILL CAUSE INSTANT AND IRREVERSIBLE DAMAGE TO YOUR EYE. EYE DAMAGE IS OFTEN PAINLESS, SO THERE IS NO WARNING TO THE OBSERVER THAT DAMAGE HAS OCCURRED UNTIL IT IS TOO LATE. DO NOT POINT THE TELESCOPE OR ITS VIEWFINDER AT OR NEAR THE SUN. DO NOT LOOK THROUGH THE TELESCOPE OR ITS VIEWFINDER AS IT IS

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TABLE OF CONTENTS Telescope Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Standard Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 To Achieve a S

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9 8 1 2 N M K 7 L 3 J 4 6 5 Figure 1: 40AZ-T 40mm Altazimuth Refracting Telescope 1. Optical Tube 8. Objective Lens 2. Viewfinder 9. Dew Shield 3. Diagonal Mirror 10. Optical Tube Attachment Screw 4. Focus Knob 11. Focus Tube 5. Altitude Control Handle 12. Eyepiece Thumbscrew 6. Tripod 13. Viewfinder Bracket 7. Eyepiece 14. Viewfinder Eyepiece Cup – 4 –

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INTRODUCTION This manual details the set up, operation, specifications, and optional accessories of the Telestar 40AZ-T (40mm) Altazimuth Refracting Telescope. The Telestar 40AZ-T is an easy to operate, refracting telescope designed for both astronomical and terrestrial observing. In order that you may achieve maximum utilization of the instrument, we urge that you to take a few minutes to read all of this manual before making first observations through the telescope. As you read through this

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their positions during any 2 or 3 hour observing session, the platform on which the telescope is sitting (the Earth) rotates once every 24 hours underneath these fixed objects. To keep astronomical objects centered in the field, simply move the telescope on one or both of its axes (vertical and/or horizontal), using the altitude control handle (5, Fig. 1) as appropriate. At higher powers, astronomical objects will seem to move through the field more rapidly. 4. Avoid touching the eyepiece whil

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CALCULATING POWER The power, or magnification, at which a telescope is operating is determined by two factors: the optical, or focal length of the telescope’s main (objective) lens and the focal length of the eyepiece being used. The focal length of the Telestar 40AZ-T’s objective lens is 600mm. To compute power, divide the focal length of the eyepiece into the focal length of the objective lens. The resulting quotient is the magnifying power of the telescope when used with the eyepiece in q

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Limited Warranty Every Telestar telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corporation (“Meade”) to be free of defects in materials and workmanship for a period of ONE YEAR from the date of original purchase in the U.S.A. Meade will repair or replace a product, or part thereof, found by Meade to be defective, provided the defective part is returned to Meade, freight-prepaid, with proof of purchase. This warranty applies to the original purchaser only an