Which company first mass-produced and successfully marketed Schmidt-Cassegrain telescopes in 1970, revolutionizing amateur astronomy by making complex catadioptric telescopes widely accessible?

Test your knowledge of astronomy's corporate milestones! The telescope industry has seen dramatic evolution since its early days, with companies rising and falling as technology advanced from simple refractors to space-based observatories. This poll explores a pivotal moment in astronomical product history that changed how we view the cosmos. Do you know which company made this groundbreaking advancement?

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Celestron (with their iconic orange C8)
Meade Instruments (with their LX series)
Bausch & Lomb (with their Criterion line)
Questar Corporation (with their Maksutov-Cassegrain design)