Participants (3517) ALL
#1251
Edmund J. Kowalski, "Keeping Time"
Saint Louis, Missouri, United States
Saint Louis, Missouri, United States
"Hand meter showed about f/8 @ between 1/30 and 1/60 second for my setup, @ asa 800. So my pinhole exposures @ f/167 was in the range of between 10 and 20 seconds."
"I used a 0.3 mm hole in a piece of aluminum sheet from a disposable pie pan, mounted into a Pentax body cap. With a 20 mm extension, an effective yield of f/167."