Originally Posted by fut
It always intrigued me how in movies, investigators would spot the smallest spec on a security tape, zoom in on it, clear - zoom again, clear - zoom again, clear and there appears a perfect image of a piece of paper with a number written on it or something along those lines.
Thats because it was the "MOVIES"
In real life though, i guess they have better and custom top notch rendering software written which would rebuild the pixels and enhance the clarity as it is zoomed. Photoshop could have that, but it would cost a ton.