View Single Post
Old Posted: 30-12-2009 , 07:29 PM #2
thepallasbull
Member
 
Join Date: Jun 2007
Location: Pallaskenry, Co Limerick
Posts: 1,275
Default use for tins

spray the inside black and put a very fine hole on the front and now you have a pin hole camera . great fun to try ...its one of the earliest forms of photography and works the same as the camera obscura ....try it or google it even ...worth a look
check this link
http://en.wikipedia.org/wiki/Camera_obscura
thepallasbull is offline   Reply With Quote