I wouldn't bother just for the camera. The Huawei P30 Pro,for example has an astonishing set of cameras on it - and I often use it as a companion to my "proper

I wouldn't bother just for the camera. The Huawei P30 Pro,for example has an astonishing set of cameras on it - and I often use it as a companion to my "proper" camera. Though for me at least, the biggest thing that keeps me using an actual camera is the tactile nature of the controls. I think you would struggle to find one as light as iPhone but maybe take a look at models like the Ricoh GR3, any of the Fuji X series cameras (disclaimer, I have an XT3 and an XT10) or if you are feeling spendy, the Leica Q