"Applied physics - fantastic camera obscura" Top 5 Page for this destination Marburg an der Lahn Things to Do Tip by Trekki
Marburg an der Lahn Things to Do: 92 reviews and 311 photos
At the southern part of the castleground, where walking path and street end to be precise, is a little inconspicuous hexagonal wooden hut. I saw it but ignored it first, mainly because I thought oh no, now tourist rip off has arrived here with a kiosk selling crap. But then I saw a tiny sign ?Camera Obscura? and a young guy peeked out of the hut and asked me if I would like to join the group inside for a little demonstration. Of course I did! And it was so well worth it! The guy was one of the students at physics faculty (lectureship) and told us that they have built hut and camera and give demonstrations from April to October. They don?t charge a fee but do it for the fun and improvement of their teaching qualities. If I would have kids I would be glad to have such science teachers! But back to camera and demonstration: it is fascinating to watch nearby places like the car park in front of Marstall (main photo) or castle. All is done with a mirror, a lens and an adjustable white table. The guy showed us how three dimensional effects are achieved by putting an oval polished stone on the image of the castle clock: amazing!! (photo 3) and later he put a little wooden wave and a chump on the city?s highway (photo 4): the cars raced up and down, very funny. Even though I have studied chemistry, I was again amazed of how our anchestors have discovered all the occurences in natural sciences without which nothing would be possible we have today. Imagine that this was the first camera. Strange when I look at my digital lens reflection camera now. I was also amazed that many painters used a camera obscura image as a pattern for their paintings. But if you look at the images such a camera can produce, it is explicable.
So if you see this little hut as well, please don?t take it for a kiosk by mistake, but look at the little paper clock which shows when the next demonstration will be given. You will not regret it! Oh and even if there isn?t any fee, it would be nice to leave a donation in a small box at the entrance.
The demonstrations are held from April to October, each Wednesday, Saturday, Sunday and holiday from 2 p.m. to 6 p.m. A demonstration takes approx. 20-30 minutes.
The website below has a nice explanation of how a camera obscura was developed (camera = room, obscura = dark), even in English :-)
Address: Marburg, in front of the castle.
Directions: Look for bus no 16 ?Schloß? or walk up according to one of the walks described in my previous two tips.
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