AI Summary

The guide explains that projector testing combines instrument measurements—such as contrast, color accuracy, and input lag—with visual assessments by the reviewer’s own eyes. It notes that consumer specifications like lumen ratings, contrast ratios, laser or LED sources, and zoom capabilities can be confusing and often lack reliable meaning. The author argues that many of these specs are either inaccurate or impossible to compare consistently across different brands, making direct performance testing essential for shoppers.

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