Which telescope model, first advertised in 1970 as 'The Observatory You Can Hold in Your Hand', revolutionized amateur astronomy with its compact Dobsonian-style design and affordable price point?

The astronomy retail market has seen many groundbreaking products over the centuries, but some have truly revolutionized how we observe the cosmos. This poll tests your knowledge about one of the most famous and transformative telescopes ever marketed to consumers - a product that changed amateur astronomy forever and remains an icon in astronomical retail history.

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Celestron C8 Schmidt-Cassegrain
Meade ETX 90
Orion SkyQuest XT8
Edmund Scientific Astroscan