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Webcams can be broken down into tiers: Luxury HD Webcams like the Logitech C930e or Conference Cam Connect for those who want the best.
Popular Mid-Range models for the best of both worlds.
And Cheaper Value Web Cams that deliver reasonably good results for those on a low-cost UVC webcam hunting budget.
Other, Not-So-Great low-quality webcams are mentioned - Not all webcams are created equal.
More recent cameras with Hardware-Based Autofocus have improved greatly with more responsive and smoother adjustments.