Which telescope design innovation by Celestron in the 1970s revolutionized amateur astronomy by making quality telescopes more affordable and portable?

The astronomy industry has been shaped by iconic brands and their groundbreaking product designs. This trivia question explores how a famous telescope manufacturer revolutionized amateur astronomy through innovative product design that dramatically increased accessibility to the cosmos. Test your knowledge of how product design transformed stargazing from a specialized pursuit to a widespread hobby!

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Schmidt-Cassegrain telescope with compact folded light path
Digital star tracking system with automated alignment
Lightweight carbon fiber construction for professional-grade optics
Integrated smartphone compatibility with direct image capture