Involvement:General (knows how to use it) - Ownership:1 week to 1 month
Very bright and homogeneous light. Not blue or yellow either, somewhere in between.
I used this to build my own ring light for my SLR:
Not really, it does what it is supposed to.
I tried with multiple power supplies. They all work fine. This ring draws 170 mA on 12 V. There is no significant heat from the product.
Good product, versatile use. The ring gives and even distributed light, I am thinking about using it for interior lightning as well. As far as I can tell these LEDs does not require complicated electronics just an adapter which gives 12 V DC. I am using mine from an old laptop power supply with a single chip 12 V voltage regulator. The simplest regulator is OK for 1 A which should drive 4 rings easily.
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