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canghaiyisu6:我這邊做過,不過你50W的功率,靠近LED準(zhǔn)直透鏡用PMMA ,這個(gè)塑料扛得住這個(gè)溫度嗎? B}PIRk@a1 我用2個(gè)透鏡玻璃材料做的準(zhǔn)直 <n]x#0p (2017-03-22 14:59) W5SJ^,d)J
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