jan 24, 1544 - During a solar eclipse visible over the Netherlands, Dutch mathematician and designer Gemma Frisius makes the first recorded use of a camera obscura and uses it to observe the event without directly looking at the Sun. Frisius writes about the event the next year and illustrates it in his book De Radio Astronomica et Geometrica (Regarding rays of light in astronomy and geometry)
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Date:
jan 24, 1544
Now
~ 482 years ago