How to adjust the exposure?

The exposure of digital cameras is generally automatically adjusted.

1. Ordinary digital cameras can only adjust ISO (sensitivity), but can't adjust the shutter and aperture, but they can meet the shutter and aperture conditions by selecting the scene mode.

2, SLR digital camera, independent conditional shutter, aperture, ISO.

Set in the menu, specifically how to set the viewing instructions.

Starry sky: It is best to choose a shutter above 1s and an aperture above F8, with ISO=800. It's best to use a bracket.

Static water drop: exposure is limited by lighting conditions, ISO= 100, shutter 1/32 seconds or more.