Introduction: DIY Sun Imaging Telescope and Schlieren Imaging
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About: You may recognize Dan and Denise Rojas from their appearances in various made for tv movies and national commercials. As the hosts of Green Power Science, they share Fresnel lens and alternative energy ideas, …
Using a small piece of mirrored glass (first surface is much better) the image of the sun flips and creates a gigantic image of the sun. This is the pinhole effect. This exact setup images just like a pinhole camera but due to a reflective surface verses a hole, the interior cannot be dark so the ambient light overpowers everything except the image of the sun.