How to adjust the focal length of Apple's mobile phone camera?

Taking iPhone 13 and iOS 15. 1 systems as examples, the methods for adjusting the focal length of Apple's mobile phone camera are as follows:

Turn on the camera

Turn on the "camera" in your mobile phone and aim at the place you need to shoot;

concentrate

Click on the screen and a yellow box will appear, indicating that the focus is successful;

Adjust the focal length

Use any two-finger gesture to slide on the screen in the preview box to adjust the ideal shooting focus. Sliding outward will increase the focal length; Slide inward, and the focal length will be smaller, so that the focal length of Apple's mobile phone camera can be adjusted.

How to use the filter for Apple's mobile phone camera: turn on the phone, click the "camera" function of the phone, and then enter the shooting screen; In the shooting picture, we can change the filter of the shooting picture by clicking the "three circles" icon in the upper right corner of the picture. The filter1* * has original, bright, fresh and warm colors, fresh and cool colors, contrast colors, contrast warm colors, contrast cool colors, monochrome, silver tones and black and white. Users can choose to use mobile phone filters according to their own preferences.

The photo modes that support the use of filters include photo, portrait and square mode, while other photo modes do not support the use of filters.

This answer applies to most of Apple's mobile phone models.