What product innovation launched the Celestron brand in 1960, revolutionizing amateur astronomy?

The astronomy product industry has been revolutionized by several pioneering companies over the decades. One such influential brand is Celestron, which transformed amateur astronomy with its innovative telescope designs. This trivia question explores the fascinating origin story of this astronomy giant and how it began its journey to becoming one of the most recognized names in astronomical equipment manufacturing.

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The C8, the first Schmidt-Cassegrain telescope made with an innovative process that allowed mass production of precision optics
The SkyProbe, the first computerized telescope mount with automatic star tracking capabilities
The AstroLens, the first commercially available apochromatic refractor telescope for the consumer market
The NightVision 1000, the first image-intensified binoculars specifically designed for astronomical observation