Scope 20x

Which of these two telescopes do you recommend?

Orion SpaceProbe 3 Altazimuth Reflector Telescope

Focal ratio: f/9.2
optical diameter: 76mm
focal length: 700mm
magnifications included with scope: 28x, 70x

http://www.telescope.com/control/telescopes/reflector-telescopes/orion-spaceprobe-3-altazimuth-reflector-telescope

OR

Orion SkyScanner 100mm TableTop Reflector

Focal ratio: f/4.0
optical diameter: 100mm
focal length: 400mm
magnifications included with scope: 20x, 40x

http://www.telescope.com/control/telescopes/dobsonian-telescopes/orion-skyscanner-100mm-tabletop-reflector-telescope

Can you also explain why you recommend that one?

Thank you.

Of those two, I'd go for the 100mm table top Dobsonian.

It gathers 73% more light than the 76mm one, and a Dobsonian mount will be more stable and easier to aim than the one in the 76mm scope.

More light gathering means you'll be able to see dimmer objects, and easier to aim means you'll be able to find what you're looking for easier. It really is a no brainer.

The only thing the 76mm scope has going for it is a longer focal length - it'll be easier to get more magnification for looking at planets, but you can compensate for that by buying a shorter focal length eyepiece for the 100mm scope. There is no way to compensate for a mount that's frustrating to use other than replacing it.

One other thing to consider is the table top scope will need a sturdy table - or perhaps you could find a way to attach it to a sturdy photographic tripod.

But before buying a scope, it would be a great idea to track down your local astronomical society and visit them a few times.

You'll be able to look through their scopes and get a handle on what you can expect to see with either of these scopes.

This link will let you track down your local club:

< http://www.skyandtelescope.com/community/organizations >

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