so you want to buy a telescope!
TRANSCRIPT
SO YOU WANT TO BUY A TELESCOPE!
Presented by the Mahoning Valley
Astronomical Society
TELESCOPES
Everything you wanted to know …
but could not afford to ask!
Parts and Pieces
Telescope Tube with Optics
Parts and Pieces
Mount
Parts and Pieces
Finder Scope
Parts and Pieces
Eyepieces
Why use a telescope?
1. Magnify Nearby Objects
You can overdo magnification.
Morel of the story
Do not purchase a scope whose chief advertisement mentions magnification…
2. Resolving Power
3. Light Gathering Power
Basic Types of Telescope
1. 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
Telescope Mounts
Equatorial
Easier for Amateur
Astrophotography
Alt-Az
Most Commonly Used
Cheaper
Motorized
Track Night Sky as Earth Rotates Adds to the cost
GoTo Mounts
Computerized 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 measurements
Phil 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
Coming Soon
January 17 1:00 pm
SO YOU GOT A TELESCOPE!
Presented by the Mahoning Valley
Astronomical Society
Ask us questions!