Which revolutionary product development approach did Celestron use in the 1990s that dramatically reduced telescope prices and expanded amateur astronomy?

The development of astronomy equipment has seen remarkable innovations over the decades, transforming how we observe and understand our universe. This poll explores a fascinating case of product development in the astronomy industry that revolutionized amateur stargazing. Test your knowledge about how one company's product development strategy changed the astronomy equipment market forever!

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The introduction of the Schmidt-Cassegrain mass production technique that reduced manufacturing costs by 70%
The development of computerized GoTo mount systems that allowed automatic star location without manual alignment
The creation of the first smartphone-compatible telescope adapter, expanding the market to tech enthusiasts
The implementation of carbon fiber tubes that made telescopes significantly lighter and more portable