GREENPOWERSCIENCE | Fresnel Lens DAYTIME LIGHTBULB Sunlight 360 degree redirection @GREENPOWERSCIENCE | Uploaded February 2020 | Updated October 2024, 1 week ago.
Large Spot Fresnel Lens concentrating sunlight on a borosilicate tube creates an extremely bright light that when redirected, produces solar thermal heat. This bulb becomes the source light.