What is the function of camera gray film?

Gray flat plates and color filters have different uses.

1, color filter

Change color temperature

2. Gray parts

Control the amount of light entering.

On some cameras, the gray board and the color filter are integrated. For example: 5600+116nd.

Some cameras have individually adjusted gray patches and color filters.

Color filters are generally 3200, 4800, 5600 and 6400.

The general gray scale is116, 1/4, 1/64.

For information about cameras, please refer to my Baidu space.