Portable Led
how to make a portable ultra bright led lamp?
I´m going to take pictures inside a cave, so there is no light. Tha´s why I need the brightest , smallest lamp i can carry in my back pack, I figure it has to be made out of LED
I've done this using a coleman lantern. Make a shield so you can block the light that would go toward the camera. Us a manual setting to open the shutter and walk the lantern down the cave. You can get some very nice pictures doing this.
You can also set up a whole series of flashes that run down the cave. This is the expensive way.
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