Here are examples from a digital surveillance system with 2.8 mm lens and 4-megapixel cameras.
Night shot on a lighted street
Same shot during full daytime brightness
Parking Lot View
Day time shot of a parking lot.
Night shot of lit parking lot with darkness behind. They only have lights again their building and do not have any lights lighting the parking lot.
Rain shot. This rain shot shows you the detail in the puddles.
These are some examples of what a digital surveillance system can offer.
Please note, these are smaller examples than the normal images since any client identifiable information was removed, and pictures were cropped.