----- Original Message -----
From: "Jim Kosinski" <merlin@paintcancamera.com>
> in the formulas used to determine the optimal pinhole
> diameter for a given focal distance the wavelength of green
> light seems to be used because it's in the center of the
> visible spectrum... would it be possible to get more
> sharpness with the same pinhole diameter by changing the
> color of the light? for example, what if you used a blue bulb
> to illuminate the subject or put a color filter over the
> pinhole? (assuming black & white film/paper)
Yes to all the ??? above.
Would you really see a markedly difference in the results? Not quite sure.
Guillermo
Received on Sat Jun 1 10:17:13 2002
This archive was generated by hypermail 2.1.8 : Mon 13 Dec 2004 - 23:18:45 PST