Which revolutionary marketing strategy did Celestron implement in the 1970s that transformed amateur astronomy and significantly expanded their market reach?

How well do you know the marketing strategies behind astronomy's most successful telescope and equipment manufacturers? This poll explores a pivotal moment in astronomy product history that changed how the public engages with stargazing. The marketing decision highlighted here influenced not just sales, but helped democratize astronomy as a hobby and sparked greater public interest in the cosmos.

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Introducing the first mass-produced Schmidt-Cassegrain telescope (C8) with orange tube design that became an iconic brand identifier
Creating the first astronomy equipment subscription box service with monthly deliveries of eyepieces and accessories
Partnering with NASA to develop consumer versions of space telescope technology with government endorsement
Launching the first televised astronomy product infomercials featuring celebrity astronomer Carl Sagan as spokesperson