From American Cinematographer, Policing A New Beat by Bob Fisher (July, 1998)
The milieu of NYPD Blue is Manhattan, where tall buildings diffuse and filter the warmth out of sunlight before it reaches ground level. Though Brooklyn South occurs in an adjacent metropolitan area, its setting might as well be a different universe.
"Brooklyn doesn’t have a lot of really high structures, so you see more of the sky, and the light is a bit warmer and more direct. It’s more of a natural look, with a more exposed daylight source and less light bouncing around." In addition, the scripts are not about detectives, but about cops in uniform who live with the unexpected every day.
- Brian Reynolds (DP for NYPD Blue 1st 4 seasons, and Brooklyn South Pilot_