Overview
The goal of this project was to make our own pinhole camera, and capture images in it by using a digital camera with a long exposure.
The Camera
Results:
0.5 mm |
2 mm |
5 mm |
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As far as I can tell, the smaller hole size does not allow enough light to be nicely captured by the digital camera. This may also be partly due to the size of the box: the box is very rectangular, so the image that is captured encompasses quite a bit of the sides (you can see the black paper from the interior of the box in all the images). This may have caused too much light to be absorbed by the sides of the box.
A large hole size lets plenty of light through, but the image gets blurry. For all the images, I used 20 seconds exposure time for the indoor pictures (plants), while the outdoor pictures needed less than a second. Note that I'm considering all scenary pictures as "outdoor", as they were taken from one of the glass walls in Gates.
More Pictures
These were taken with the 2 mm pinhole, and appropriate exposure based on location. Note that the specular rays on the right of the pictures are reflections off tape from within the box.
