The Oppo Reno 10x zoom has three cameras on its back – one of the first ever periscopes on a phone, an 8 MP ultrawide cam and a 48 MP main camera. Unfortunately, only that last one could be used for video capture – that is no longer true as the ColorOS 7.1 update finally enabled recording using the other two cameras. This means you can go wide or zoom in – the periscope offers 5x optical, 10x hybrid and up to 30x digital zoom. You can see this demonstrated on video by XDA Junio Member Subzuda: Note that this works only at 1080p resolution and 30 fps. If you want to go higher, you...
Source: https://www.gsmarena.com/oppo_reno_10x_zoom_gains_ability_to_record_video_with_the_periscope_and_ultra_wide_cameras-news-44164.php
