Mobile phone photography 100 Q (15): How to get the best picture quality by setting the parameters of the mobile phone?

If the quality of the photos taken is not high, but the brightness is normal, then set the sensitivity to "automatic".

If you need to take photos with normal brightness and less noise, you need to set the sensitivity parameters manually.

The basic principle of setting the sensitivity is: when the aperture has been determined and the brightness of the photos taken with the appropriate shutter speed is not enough, the ISO value should be increased, otherwise the ISO value should always be locked at 100.

It should be noted that to use the exposure compensation function, it is necessary to ensure the ISO value and shutter speed value, and at least one parameter option is "automatic", because when setting the exposure compensation, the mobile phone actually realizes it by changing the shutter speed or ISO value.

For example, if the shutter speed is set to a certain value and the exposure compensation is changed, the mobile phone will automatically adjust the ISO parameters to change the brightness of the picture.

If the ISO parameters are set manually, when adjusting the exposure compensation, the mobile phone will automatically adjust the shutter speed to change the brightness of the picture.

If the shutter speed and ISO value are both set to "Auto", when adjusting the exposure compensation, the mobile phone will adjust these two parameters at the same time to realize the brightness change of the picture.

In the professional mode, if the ISO or shutter speed parameters are set manually, the parameters will not change, that is, the parameter shooting will be locked.

For example, when shooting, in order to make the picture quality as high as possible, you can manually set the ISO to 100. At this point, the ISO parameter will be locked, the ISO value will not change, and the parameter will always remain at 100.