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Would it not be possible to deflect it through a lens? Couldn’t that increase the spread area significantly and because of the contrast at night you would only need a fraction of the light intensity to make an area feel well lit?
You don’t need a lens, just a differently shaped mirror. Their point is just that the light you capture is based on the mirror’s surface area, so if you are selling sunlight-equivalent amounts of light you would need a mirror of equal area to that you are selling. You would not need such a large mirror to sell an area of dimmer light, and you would not need a lens.
A convex mirror could work, sure. A lens would be impossible to construct for the size necessary.
I don’t get what u mean by “contrast at night”, but sure - let’s assume that you would need 5% of the power at noon. You would still need a mirror with a surface area of 5% of the area you are illuminating.
Would it not be possible to deflect it through a lens? Couldn’t that increase the spread area significantly and because of the contrast at night you would only need a fraction of the light intensity to make an area feel well lit?
You don’t need a lens, just a differently shaped mirror. Their point is just that the light you capture is based on the mirror’s surface area, so if you are selling sunlight-equivalent amounts of light you would need a mirror of equal area to that you are selling. You would not need such a large mirror to sell an area of dimmer light, and you would not need a lens.