Slow photography technology

Large depth of field: large aperture, such as F3.5, usually takes portraits.

Small depth of field: the aperture is small, such as F 16, which is generally used to shoot scenery.

Shutter speed: the speed must be fast, about 1/2000.

Slow shutter speed: the speed must be slow, about1s.

Translation: For example, if you want to shoot a car running on the road, put a tripod on the side of the road, choose slow speed, and then press the shooting system, and the camera will follow the car. When shooting, it is convenient to look at the screen instead of the small box.

The focal length depends on the shooting situation, not necessarily.