Which astronomical product innovation, first widely commercialized in the 1990s, revolutionized amateur astronomy by automatically locating celestial objects without manual star-hopping?

The astronomy product market has evolved dramatically over the decades, bringing the wonders of the universe to amateur stargazers and professionals alike. From humble beginnings with simple optical devices to today's sophisticated computerized equipment, the industry has continually pushed boundaries. Test your knowledge of a significant product innovation that changed how we observe the night sky!

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GoTo computerized mount systems
Dobsonian telescope design
Apochromatic refractor lenses
CCD imaging cameras