There have been several optimum size formulas over the last century but this one works fine if you're after maximum sharpness the pinhole can afford.....
square root of (0.0016 x focal length) Of course, focal length refers to the planned distance between the pinhole and film in your camera/tin. Mike In a message dated 7/19/02 5:08:12 PM, [email protected] writes: << I never got a definitive answer to my questioon about the best advisable pinhole size for the sharp image with an Altoid can pinhole camera. S >>
