BB> 1. Point your face toward any automobile. BB> 2. Note that there are photons comming at your (I'm beginning to think BB> blind) eyeball. BB> 3. Some photons are comming from the background. BB> 4. Some photons are comming from the car. BB> 5. There photons from the car and the photons from the background form a BB> sharp line on your retina. Or they would if your eye's lens was perfect. BB> 6. The same thing hapens in a camera. BB> 7. In other words, there is a sharp demarcation between car and not car.
BB> If you do not understand this, there is no hope for you. Bob, perhaps it's time for you to rehearse physics - light is a wave as much as particle thing. Therefore, there is NO such thing as sharp demarcation. ~PERIOD~. Look into any high-school physics book. Frantisek - 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 .