How to manually adjust the aperture, exposure value, shutter and sensitivity of a digital camera under different weather conditions?

I have been doing photography for a year or two, and I don't have much experience. Please see me.

If it's all manual-

When shooting scenery on sunny days, the aperture can be appropriately reduced to keep the image sharp. Shutters are used according to different light and your own experience. Sensitivity is the lowest in camera settings. I usually ignore white balance and just use "automatic". If the color of the film is wrong, you can correct it later.

You can use a larger aperture to shoot scenery on cloudy days, the shutter is generally not higher than1100, and the white balance can be "cloudy" or not.

As for portraits, the focal length should be 80- 130 (compared with 35MM cameras). At this time, the human deformation is small and the reduction is good. The aperture can also be smaller. The shutter can adjust itself according to the light.

Macro needs a larger aperture, and the aperture value can be increased by 1 to 2 levels on the basis of P-mode measurement. The shutter should be slower on cloudy days, because there may be insufficient light.

Actually, photography doesn't have to be too manual. In most cases, the camera can handle it. I usually use the aperture first, because it better controls the depth of field. Unless it is at night or under other special lighting conditions, or for special creative purposes, it is generally not necessary to manually.

My own opinion is that a master is not high because he can do it manually, but because he thinks and realizes it.

Supplement:

Sensitivity refers to the sensitivity of photosensitive devices to light. The greater the sensitivity, the faster the shutter can be used under certain aperture conditions, so it is more useful when the light is dark, but generally it will reduce the image quality and increase the noise, so the sensitivity can be as low as possible when the light is sufficient. Unless it is intended to increase the noise.

Shutter is used to control the exposure time of film or photosensitive element. Generally, a faster shutter is used to reduce the influence of hand shock and improve the clarity of imaging.

Exposure value is a numerical value that represents the light passing ability of a photographic lens by the combination of shutter speed and aperture value. A lot of information on the Internet explains this thing, but I don't think I need to know it, because at least I haven't used it for photography so far.

Supplement: In the case of sufficient light, the shutter can be faster.

Slow down in the dark.

Because the shutter is a device that controls the exposure time, for example, when the shutter is 1 sec, the exposure time of the film or photosensitive device is 1 sec. The longer the shutter time, the more light enters the camera, so the brighter the photo, and vice versa.

This should be common sense. . .