Bradistherad1
Newly Enlightened
I am wanting to build a spotlight with a parallel beam, so far I have picked these parts:
100w COB LED: https://a.aliexpress.com/_msrfjby
150w boost converter: https://a.aliexpress.com/_mtK5Q6A
I am planning on building an aluminium frame enclosure, similar to
I don't care about light quality, (CRI etc) but I would like to have a nice beam. I plan on using a lens such as https://a.aliexpress.com/_mNgsNzo and a fresnel to make the parallel light.
So my questions are:
1. Is a fresnel the best choice, and if not, what would be better? I have heard of aspheric lenses but I can't find much information on these used in spotlights (I am on a budget so cheaper plastic lenses are preferred)
2. What is a good source for heatsinks? I would like the flashlight to be relatively thin so a wide CPU cooler won't work.
100w COB LED: https://a.aliexpress.com/_msrfjby
150w boost converter: https://a.aliexpress.com/_mtK5Q6A
I am planning on building an aluminium frame enclosure, similar to
I don't care about light quality, (CRI etc) but I would like to have a nice beam. I plan on using a lens such as https://a.aliexpress.com/_mNgsNzo and a fresnel to make the parallel light.
So my questions are:
1. Is a fresnel the best choice, and if not, what would be better? I have heard of aspheric lenses but I can't find much information on these used in spotlights (I am on a budget so cheaper plastic lenses are preferred)
2. What is a good source for heatsinks? I would like the flashlight to be relatively thin so a wide CPU cooler won't work.
