Which design innovation transformed modern microscopes, significantly enhancing their usability in scientific research compared to their 1970s predecessors?

Product design in scientific equipment has evolved dramatically over the decades, with innovations that have transformed laboratory efficiency and research capabilities. This trivia question explores how a fundamental scientific instrument has been reimagined through innovative design thinking. Test your knowledge of how product designers have revolutionized scientific tools that researchers depend on daily.

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Integration of digital imaging sensors allowing direct-to-computer data transfer and analysis
Addition of colored lens filters to enhance contrast visibility
Replacement of glass lenses with plastic alternatives for cost reduction
Introduction of battery power instead of electrical outlets for portability