Suppose that a correct exposure is at 11. Under the same
Chapter 25, Problem 65(choose chapter or problem)
Suppose that a correct exposure is at 11. Under the same conditions, what exposure time would be needed for a pinhole camera ( 64) if the pinhole diameter is 1.0 mm and the film is 7.0 cm from the hole?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer