Bushnell 78-4500 manual

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Table of contents for the manual

  • Page 1

    VOYAGER ® 4.5 INCH DOBSONIAN TELESCOPE MODEL 78-4500 Never Look Directly At The Sun With Your Telescope Permanent Damage To Your Eyes May Occur 1. Rack & Pinion Focusing System 5. Dobsonian Base (Azimuth Bearing) 2. Reflector Body 6. Primary Mirror 3. Altitude Bearing 7. Finderscope 4. Dobsonian Side Panel 8. 1.25” Format Eyepiece 1. 2. 3 4.[...]

  • Page 2

    Thank you for purchasing the Bushnell Voyager Dobsonian Telescope! Your new telescope has been designed and crafted with the highest standards so that you may have years of enjoyment and use out of this wonderful window to the heavens. This product comes complete with everything you'll need to explore your universe including a professional pri[...]

  • Page 3

    TELESCOPE USE SELECTING AN EYEPIECE: 1. You 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 element, which for this model is 900 mm. A formula can be used to determine the power of each eyepiece: teles[...]

  • Page 4

    At this point with a focused image in both scopes, you've passed the first obstacle. If you don't see an image after attempting to focus it in, you might consider aligning your finderscope again. Once you pass this step, you'll will enjoy the time spent ensuring a good alignment. Every object you center in the finderscope will be eas[...]

  • Page 5

    Where do I start? Your Bushnell telescope can bring the wonders of the universe to your eye. 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. The first thing you need to do is get a very simple star chart and a flashlight with a red bulb [...]

  • Page 6

    length is the number printed on the eyepiece. (For example: 900 ÷ 20 = 45X) 3. Where do I find the Telescope Focal Length • The telescope focal length is the same focal length as the objective focal length. For this telescope it is 900mm. Telescope focal lengths range from 600mm to 1200mm on Bausch & Lomb and Bushnell telescopes. 4. What can[...]

  • Page 7

    Telescope LIFETIME LIMITED WARRANTY Your telescope is warranted to be free of defects in materials and workmanship for the lifetime of the original owner. The Lifetime Limited Warranty is an expression of our confidence in the materials and mechanical workmanship of our products and is your assurance of a lifetime of dependable service. If your tel[...]