Which innovative product design feature first appeared in commercially successful telescopes during the 1990s that dramatically changed amateur astronomy?

The telescope is one of astronomy's most iconic products, transforming from simple optical tubes to sophisticated digital instruments. This evolution reflects fascinating product design innovations that have revolutionized how we explore the cosmos. Test your knowledge about how telescope design has evolved to meet consumer needs while incorporating cutting-edge technology.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Computerized 'Go-To' mounts that automatically locate celestial objects
Smartphone connectivity for remote operation
Carbon fiber lightweight construction
Digital imaging sensors replacing traditional eyepieces