Which feature revolutionized amateur astronomy customer experience in the 1990s-2000s, making complex celestial object location accessible to beginners?

Modern astronomy relies heavily on advanced telescopes and observational equipment to explore the cosmos. The customer experience around these sophisticated instruments has evolved dramatically in recent decades, making astronomy more accessible to both professionals and amateurs. Test your knowledge about how telescope manufacturers have transformed the stargazing experience through technology and innovation!

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GoTo computerized mounts with object databases
Smartphone app integration
Multi-coated apochromatic lenses
Carbon fiber lightweight tubes