How does a pinhole camera work?? English please!!!?
Hi. I'm doing a science fair project on a pinhole camera, and i need a one-two sentence summary of how it works (speak english!! any word that you know will be unfamiliar to me, please explain it!!).
Also, I need work on the question. I was going to do "Does the amount of light used in pinhole camera photography affect the final image?" but obviously it DOES, so now I'm going to do "How much light is the most ideal for producing a pinhole camera image?" but then it kind of sounds un-scientific method-y....I need your opinions. (usually the word "affect" always seems to be used.)
Comments
I made a pinhole camera in grade 9. Basically we got a shoebox and painted the inside all black. we then took a pin and made a hole in the lid and covered the hole with tape. Then we went into the dark room and took a piece of photo paper and taped it to the bottom of the box. Then we taped the lid to the box to make sure no light goes through. Once we're done that, we took our camera outside and went over to whatever it was that we wanted to photograph. We set it up and when we were ready, we took off the tape on the pinhole and timed it. The amount of time you leave the pinhole exposed depends on the lighting. (there is a way to calculate it but I forgot what we used.. ex. ~2 mins in cloudy weather-- im sure you can google it.) Once the 2 mins were up-- we put the tape back onto the pinhole. We took the box back inside to the darkroom, untaped the box and developed the photo paper.
Well, I was going to do it in Latin, but since you insist upon English, there's a lengthy but relatively clear explanation on the site listed below. I'd go with the first question but add the word HOW at the beginning. You can then do a graph or statistical analysis of the effect of different amounts of light in the source. (Light from one candle, two candles, four candles, etc). You can also combine it with the length of the exposure. http://electronics.howstuffworks.com/question131.h...
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