[toni-a]

https://petapixel.com/2018/05/10/yongnuo-yn43-turns-your-phone-into-a-m4-3-mirrorless-camera/

[photonius]

Not bad, if it's not too expensive, opens up lots of possibilities for remote controlled cameras - provided software is customisable.

[Klaus]

Well, it may be mirrorless but there's still that deep dark tube between the lens and the sensor.

[obican]

Just to illustrate how much they've ripped Sony's QX concept off:



Above is Yongnuo's interface. Below is Sony's



Here is another version with the updated shutter release:



Sony or  Yongnuo?



This has to be YN, right? Even the MODE button and screwdriver/wrench button is there.

[Rover]

And a 4/3 sensor.