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SO YOU WANT TO BUY A TELESCOPE!
Presented by the Jodi McCullough of The Mahoning Valley Astronomical Society
TELESCOPES
Everything you wanted to know …but could not afford to ask!
Parts and PiecesTelescope Tube with Optics
Parts and PiecesMount
Parts and PiecesFinder Scope
Parts and PiecesEyepieces
Why use a telescope?
1. Magnify Nearby Objects
You can overdo magnification.
Morel of the storyDo not purchase a scope whose chief advertisement mentions magnification…
2. Resolving Power
3. Light Gathering Power
Basic Types of Telescope1. Refractor
2. Reflectors
3. Cassegrain
Best Value For Your Money?Reflectors
Most Compact?Casssegrain
Best Contrast Refractors But You Will Pay More
Bigger is better.Larger Lens or Mirror Greater Light Gathering Power and Resolution
$$$$
Triple the mirror or lens size
Gather 9x as much light
Low Cost vs High CostBoth Are Fun!
Telescope MountsEquatorial Easier for Amateur Astrophotography
Alt-Az Most Commonly Used Cheaper
Motorized Track Night Sky as Earth Rotates Adds to the cost
GoTo MountsComputerized Pointing
Easier for Beginners
More Costly
So what will this cost?
$200
So what will this cost?
$200
Check Out Telescopes- Columbiana Library
So what will this cost?
$280
Add this and have the equivalent of a computerized system.
So what will this cost?
$500
Intelliscope
So what will this cost?
$4000
So what will this cost?
$15,000
What will you get if you spend this?
$2 billion
Forget keeping up with the Joneses…
Buy what you can afford and will use!
Many of us haveMultiple scopes forMultiple purposes.
A good quality scopeAlways has a use.
Or you can build your own
Many MVAS club members have built telescopes.
So what can you do with a telescope?
Discover the Night Sky
Astroimaging
Jodi and Roy McCullough- MVAS Club Members
Mike Heim- MVAS Club Member
Lou DiNardo- MVAS Club Member
Don Cherry- MVAS Club Members
Scientific ResearchVariable star measurementsPhil Plante and Chris Stephan- MVAS Members
Recommended Retailers
Woodland Hills Camera and Telescope Orion Telescopes and Binocular Astromart- Used and New eBay- Used and New
SO YOU GOT A TELESCOPE!
JAN 16 1:00 PM WARD BEECHER PLANETARIUM
Presented by the Mahoning Valley Astronomical Society
Ask us questions!