How to use the second camera of Vivoy30?

Front camera: 8 megapixels

Front camera shooting mode: portrait, photo, video, panorama, dynamic photo, etc.

Rear camera and position (from top to bottom):13 megapixel main camera+2 megapixel depth camera+2 megapixel macro lens.

Camera aperture: f/ 1.8 (front), f/2.2 (rear main camera), f/2.4 (rear depth of field) and f/2.4 (rear macro).

Sensor: CMOS (back)

Number of rear cameras: three lenses

Motor: ordinary motor (rear main camera)

Lens components: front 4P lens and rear main 4P lens.

Focus mode: front: auto focus, rear: phase focus.

Zoom: Front: 2x digital zoom, rear: 4x digital zoom.

Focal segment: front: 23.82mm, rear: main camera: 27. 15mm, depth of field: 27.2mm, macro: 24.7 mm

Shooting modes of rear camera: photo, video, portrait, slow motion, time-lapse photography, dynamic photo, professional and panoramic.