What do M, A, S and P stand for in a digital camera?

General definition of camera working mode:

M: In the full manual mode, the automatic metering of the camera doesn't work, and all parameters have to be manually adjusted by the user. The shooting mode with the highest degree of freedom can shoot in complex environment and get various special effects, but users need to have some experience and apply tools such as exposure meter.

Answer: In aperture priority mode, the user adjusts the aperture size and sensitivity, and then the camera automatically measures light to determine the shutter speed. This mode is easy to create different depth of field, and is often used when shooting outdoor portraits, animals and plants and products at macro.

S: Shutter priority mode, the user adjusts the shutter speed and sensitivity, and then the camera automatically measures light to determine the aperture size. This mode is convenient to obtain different speed senses of objects, and is often used to shoot moving objects such as hot springs and cars and sports photography.

P: Program automatic mode, the user adjusts the sensitivity, and the aperture and shutter are determined by the camera automatic metering system. Less human intervention, suitable for quick snapshot;

Full automatic mode (fool mode): All parameters are automatically determined by the camera. All you have to do is compose the picture and press the shutter, but the effect … is only suitable for amateurs who take pictures.

The general definition is given above. Note that sometimes the definition of MASP mode varies slightly from vendor to vendor. For example, the M mode on Fuji card machine F30 is program automatic; Another example is Nikon's P mode, which allows users to adjust the aperture or shutter within a certain range.

I hope I can help you.