so digital pixels suck in comparison to film grain ;) gotcha.
rg2 PS thanks for taking the time to explain all that to me :) On 9/21/07, Doug Franklin <[EMAIL PROTECTED]> wrote: > Rebekah wrote: > > so if a sensor is right where two film grains meet with very different > > colors or values, what does the pixel do? Does it choose one color or > > the other, or does it appear as an everage between the two? > > Well, "it" averages. But the thing doing the averaging isn't the pixel > or the sensor, it's the optical path between the film and the sensor. > The light arriving at that sensor pixel is some sort of average > (geometric? quantum? something) of all of the grains that were in > between the light source and the sensor pixel in question. That's why > the colors change and the pixels look like speckles. > > There can also (in some emulsions) be spaces in between the grains that > can affect the averaging and the resulting color. > > -- > Thanks, > DougF (KG4LMZ) > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- "the subject of a photograph is far less important than its composition" -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
