They are not quite as cold as people think. My dad has a 3 professional 1-3 Watt LED flash lights and although the light to heat ratio is great compared to traditional flash lights (not to mension, the quality of light is much better) It still emits a significant ammout of heat, which will become more evident as LEDs are used on a larger scale.
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They are not quite as cold as people think. My dad has a 3 professional 1-3 Watt LED flash lights and although the light to heat ratio is great compared to traditional flash lights (not to mension, the quality of light is much better) It still emits a significant ammout of heat, which will become more evident as LEDs are used on a larger scale.