Which product design innovation revolutionized amateur astronomy in the 1970s by making telescopes more accessible and easier to manufacture?

The telescope market has undergone remarkable transformations since its inception. From simple refracting designs to today's computerized observatories, product design innovations have revolutionized how amateur astronomers and professionals alike explore the cosmos. This poll tests your knowledge about a significant product design shift that changed amateur astronomy forever.

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• The Dobsonian telescope mount, utilizing simple materials like plywood and Teflon bearings
• The Schmidt-Cassegrain design with lightweight aluminum tubes
• Digital eyepieces with smartphone connectivity
• GPS-guided automatic alignment systems

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