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Your Guide to Buying Your First Telescope: A Beginner's Companion

Buying your first telescope can be an exciting adventure! This guide is tailored for both children and adults who are beginners or novices in astronomy. Learn about the different types of telescopes—reflector and refractor—and understand the various mounts available, such as Dobsonian and Equatorial. Familiarize yourself with crucial concepts like magnification, focal length, and image brightness. Mr. Haffey recommends top vendors and essential accessories to enhance your stargazing experience. Contact him for support with setup, use, and troubleshooting. Enjoy the cosmos!

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Your Guide to Buying Your First Telescope: A Beginner's Companion

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  1. How To Buy Your First Telescope Charlie Haffey 781-255-0229 chaffey@norwood.k12.ma.us www.norwood.k12.ma.us/sci

  2. The Target User • Child • Adult • Beginner • Novice

  3. What You Expect http://antwrp.gsfc.nasa.gov/apod/ap050428.html

  4. What You Get http://antwrp.gsfc.nasa.gov/apod/ap050428.html

  5. Types of Scopes • Reflector • Refractor

  6. Reflector http://www.omni-optical.com/telescope/images/ut104-2scopes.gif

  7. Refractor http://www.omni-optical.com/telescope/images/ut104-2scopes.gif

  8. Types of Mounts • Dobsonian • Equatorial

  9. Dobsonian • Up and down • Left and right www.astrostuff.com/ Swift_Telescopes.htm

  10. Equatorial mount Rotates parallel to Earth’s axis Easier tracking of objects

  11. Magnification http://www.celestron.com/tb-trms.htm

  12. Focal Length

  13. Calculate Magnification Focal length of telescope Focal length of eyepiece 1000 mm = 40 25 mm

  14. Magnification Limits • 40x most common • Increase magnification- • decrease field of view • decrease brightness • Over 100x • rarely used • very difficult tracking

  15. Image Brightness • Small increase in mirror diameter Large increase in surface area • 6 inch mirror = 28 in2 area • 8 inch mirror = 50 in2 area

  16. Six inch Dobsonian $259 & up Mr. Haffey Recommends

  17. The cheapest, easiest and best way to improve your first telescope...

  18. Zero magnification finder EZ Finder™ II Reflex Sight $34.95

  19. Upside is up finder Right Angle Correct-Image Finder Scopes $49.95 - $79.95

  20. Do Not Buy • 750 power! • From a deli • With unanswered questions

  21. Do Buy • Largest opening you can afford • Move & use with comfort • Reputable source

  22. Vendors • Orion Telescopes www.telescope.com • Meade Telescopes www.meade.com • Celestron Telescopes www.celestron.com • The Camera Company www.cameraco.com 866-769-0210

  23. After you buy your first telescope • Contact Mr. Haffey • First setup • First use • First light

  24. Good Luck, Have Fun!

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