Traditional Culture Encyclopedia - Photography major - What are the basic directions of photographic light?

What are the basic directions of photographic light?

Basic light level of portrait lighting;

The top light, also called butterfly light, is in the middle of the high position 70 to modify the face shape.

Weather light: including triangle light edge 45 and high position 45. Rembrandt light is also called big sunny side and small sunny side.

Shady sunshine: 70 degrees parallel to the side.

All-side light: 90 degrees on the side.

Side backlight: The position behind shapes the outline of the character.

Backlight: straight back position

Ghost lamp with bottom lamp: the front position is low