1. the illumination of a play, film, etc
It was played in modern dress, and had bold lighting effects to suggest the columnsof light of the Nuremberg rallies.
What I really wanted was to stun my audience with my lighting effects.
2. in a photo, the lighting effects are the way the sun, shade, etc causes the photo to appear
A single flashgun can produce many different lighting effects
The best lighting effects are seen when the camera is pointed towards the sun