They are both cheap, the 10x50 is $130, the 20x80 is $100. I know the 20x80 will probably need a tripod, but as a casual observer what would you buy?

in this case...would extra magnification just mean seeing a few extra stars?

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logo would you get 10x50 or 20x80 for astronomical binoculars?
Galileo Astronomical Binoculars Water Resistant 20x
Galileo Astronomical Binoculars Water Resistant 20x
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Super Astronomical Zoom Binocular Telescope 15 180X100
Super Astronomical Zoom Binocular Telescope 15 180X100
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Super Astronomical Zoom Binocular Telescope 15 180X100
Super Astronomical Zoom Binocular Telescope 15 180X100
Paypal   US $57.92