Which innovative pricing strategy did Celestron implement in the early 2000s that dramatically increased telescope accessibility for amateur astronomers?

The consumer telescope market has undergone significant transformations in pricing strategies over the decades. As astronomy became more accessible to amateur stargazers, manufacturers had to adapt their approaches to reach different segments of the market. This trivia question focuses on a pivotal pricing strategy shift that revolutionized how amateur astronomers could access quality equipment.

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The introduction of the 'FirstScope' line with sub-$100 telescopes that sacrificed advanced features but maintained optical quality
Implementation of 'AstroPoints' loyalty program where purchases earned credits toward premium eyepieces and accessories
The 'SkyShare' program allowing astronomers to rent high-end telescopes at 20% of purchase price for special astronomical events
Dynamic pricing model where telescope costs decreased during months with statistically poor viewing conditions