Thanks Bob ... That helped a lot. Simple examples with a ~little~ technical stuff thrown in works for me. Now, how does electricity work?
[EMAIL PROTECTED] wrote: > > Shel, > > You know colors are approximated on your computer by combining 3 different > colors, red - green - blue. Your scanner will separate your pictures into > these three color channels. A 4 bit green color scanner would give you 16 > (2*2*2*2) different shades of green in your scan. A 5 bit green scan would > give you 32 different shades. A 6 bit green scan would give you 64 different > shades. With another 6 bits for the red color channel, you could have 64 > different shades of red. With another 6 bits for the blue channel, you would > have 64 different shades of blue. Combining the three channels would give > you an 18 bit scanner...still pretty poor as you wouldn't like the > reproduction from your scanner. > > So basically, more bits in your scanner means more different gradations of > colors in your scanned picture. A 24 bit scanner uses 8 for each channel so > you have 256 shades of any primary color (2*2*2*2*2*2*2*2=256). A 30 bit > scanner uses 10 bits for each channel so you have 256*2*2=1024 different > shades of any primary color. > > Shel, I think you can figure out the rest. The more gradations of color you > can put into your scan, the better the final product > > As an interesting side note, one of the functions on Microsoft Windows lets > you set your screen colors. If you look at some of the lower settings (the > ones you aren't using), you'll get an idea of how more bits for colors helps > the quality of the reproductions you see. -- Shel Belinkoff mailto:[EMAIL PROTECTED] http://home.earthlink.net/~belinkoff/ - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
