Explanation courtesy of internet
Pin Hole Photograph
The contact sheet of images is my attempts of recreating Sir
David Brewster pinhole photography.
Whilst on a trip to Lydney to photograph some trains for my book we
stopped off at a forest area of natural beauty to allow me try out the new
camera body cap with a freshly made pinhole.
With the cap in place of the lens I took various photographs
changing the speed and the exposure time. Although some looked like a scene
from the Blair Witch project I was relatively happy with my first photographs
using the new method.
After investigating on the internet why the images were not
as clear as some published I discovered that my pinhole was probably too large.
To remedy this problem the jagged edges caused by the pin should be filed down
and tin foil can be placed inside the cap. With a finger one side the needle
tip should be pressed through the foil until it slightly touches creating a
smaller hole.
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