In this project we build a pinhole camera and experiment with different pinhole size (i.e. aperture) and investigate its effects on the image produced.
Holes of size 1mm, 3mm, and 5mm and a camera exposure time of 15 seconds were used.
As the size of pinhole increases, more light is let in resulting in a brighter image. However this can lead to blurring, since one spot on our canvas might have light coming from a wider range of sources from the subject of the photograph. We found that 3mm had the best balance of detail and light levels.
Hole for pinhole card