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Bushnell 78-4501 manual

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Table of contents for the manual

  • Page 1

    Telesco pe Instruction M anu al 78-4501 114mm RefLECto r Lit. #: 91-0246/06-01[...]

  • Page 2

    2. Never Look Dir ectly At The Sun W ith Y our T elescope Permanent Damage T o Y our Eyes May Occur ❂[...]

  • Page 3

    WHERE DO I ST ART? Y our Bushnell telescope can bring the wonders of the universe to your eyes. While this manual is intended to assist you in the set-up and basic use of this instrument, it does not cover everything you might like to know about astronomy . It is recommended you obtain a very simple star chart and a flashlight with a red bulb or re[...]

  • Page 4

    P ar ts Diagra ms 4. 1. Wide Field Finderscope 2. Cradles 3. T elescope Main T ube 4. Primary Mirror (Internal) 5. Latitude Lock Knob 6. T ripod Leg 7. Accessory T ray Brace 8. Accessory T ray 9. T ripod Leg Lock 10. Declination Lock Knob 1 1. Counterweight Shaft 12. Counterweight 13. Fine Adjustment Cables 14. Rack and Pinion Focusing Mechanism 15[...]

  • Page 5

    • Adjustable Aluminum T ripod Assembly (Three Legs) • Accessory T ray • Reflector T elescope Assembly • Equatorial Mount • Wide Field Finderscope • 20mm 1.25" Diameter Eyepiece • 4mm 1.25" Diameter Eyepiece • Barlow Lens P ARTS LIST QUICK ASSEMBL Y DIAGRAM 5. Step 3 78-4501 114mm Reflecto r Step 4 Step 2 Step 1 Step 5 1. S[...]

  • Page 6

    DET AILED ASSEMBL Y Remove all components from the carton and identify all components. READ THROUGH ASSEMBL Y INSTRUCTIONS BEFORE YOU ASSEMBLE YOUR TELESCOPE. Attach Accessory T ray and T elescope 1. Fold down the accessory tray braces and place the Accessory T ray on top of braces. Attach Accessory T ray with three small accessory tray bolts and n[...]

  • Page 7

    Never Look Dir ectly At The Sun W ith Y our T elescope Permanent Damage T o Y our Eyes May Occur ❂ 7. Selecting an Eyepiece 1. Y ou should always start viewing with the lowest power eyepiece, which in this case is the 20 mm lens. Note: the base power of each eyepiece is determined by the focal length of the telescope objective lens. A formula can[...]

  • Page 8

    Understanding the Equatorial Mount The Equatorial Mount is designed to move in any direction. It can be set to allow manual controls to track the movements of celestial bodies across the sky . This is referred to as diurnal movement: movement of celestial bodies in the direction opposite to that of the earth ’ s rotation and around the earth ’ [...]

  • Page 9

    M ENJOYING YOUR NEW TELESCOPE 1 . First determine your targeted object. Any bright object in the night sky is a good starting point. One of the favorite starting points in astronomy is the moon. This is an object sure to please any budding astronomer or experienced veteran. When you have developed proficiency at this level, other objects become goo[...]

  • Page 10

    M HELPFUL HINTS 1. Y our telescope is a very sensitive instrument. For best results and fewer vibrations set your telescope up on a level locatio n on the ground rather than your concrete driveway or your wooden deck. This will provide a more stable foundation for viewing, especially if you ’ ve drawn a crowd with your new telescope. 2. If possib[...]

  • Page 11

    11 . M NOTES[...]

  • Page 12

    www .bushnell.com[...]