Traditional Culture Encyclopedia - Photography major - Excuse me, how to use the gray sheet and aperture?

Excuse me, how to use the gray sheet and aperture?

Methods to reduce exposure

1, adjust the aperture, close the aperture, that is, narrow the aperture, and the field of view of the photo becomes smaller.

2. Adding a gray sheet is to add a filter in front of the lens, which is translucent and plays a role in reducing exposure.

3. Reduce exposure time