glenn bradley
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OK, I took one for the team here. I have used incandescent lamps and halogen lamps to shine across surfaces and check for surface flaws. Both get hot. I tried an LED halogen replacement with the expectation that it would be significantly less bright. It is about the same as an incandescent bulb in a metal flood fixture but, without the heat. Its OK but, I would not give it a glowing review (pun intended). Pictures are in order; 500 watt halogen, the halogen beside the LED and the LED installed and turned on.