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As a hobbyist, can any of the current (common) market solar panels withstand/produce in concentrating solar environment - say 30-60X? I'm aware heating issue will arise. I'm just wondering if anything off the shelf could work, and if so, if anyone has a recommendation.

SunRain says 300 C. Is this typical? In other words, do solar concentration systems have to have specialized vacuum tubes? Note: I'm guessing the selective coating is the weak point, but would be interested to know the answer to this too.