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Answers To Commonly Asked Questions; Troubleshooting Guide - Bushnell VOYAGER 78-2010 User Manual

4.5 inch family telescope

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For further questions or additional information please contact:
1. The image I see in the telescope is upside down and
reversed from right to left ?
2. How do I determine the power my telescope ?
3. Where do I find the Telescope Focal Length
4. What can I see with my telescope ?
5. What do the numbers on the eyepiece mean ?
If after you have set-up your new telescope you are unable to see any objects, use this Quick
Reference guide to help you to understand the cause of the problem and quickly determine a remedy
1.
I've completed the set-up yet I cannot see anything
Bushnell Sports Optics Worldwide
8500 Marshall Drive
Lenexa, KS 66214
www.bushnell.com

ANSWERS TO COMMONLY ASKED QUESTIONS

TROUBLESHOOTING GUIDE

An upside-down and reversed image is a
common characteristic of most astronomical
telescopes.
Since
telescopes
astronomical viewing orientation is not important.
The power of your telescope can be determine
by dividing the focal length of the objective lens by
the focal length of the eyepiece. The eyepiece focal
length is the number printed on the eyepiece. (For
example: 500 5 = 100X)
The telescope focal length is the same focal
length as the objective focal length. For this
telescope it is 500mm. Telescope focal lengths
range from 500mm to 1200mm on Bausch & Lomb
and Bushnell telescopes.
Telescopes with power ranging from 16X to
50X can be used to view Star Clusters and Nebulae.
90X to 120X telescope can view galaxies. Most
planets can be seen at any magnification.
The numbers on the eyepiece represents the
"Focal Length" of the eyepiece.
Check to see if objective lens cover has been
removed.
Try to view an object that is 200 or more
yards away.
are
used
for

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