[JJ_SO]

 

Yes, but having a non interchangeable camera is too restrictive. ...

 

 Well, that's curse and freedom at the same time. At least sometimes. I do have a set of Sigma Merills because the three together were cheaper than one (decent) body with three lenses. And I was and still am amazed of the quality of these outdated things. And if I have time and immobile subjects, want high quality on par or better than D810 and still travel light, I fill two or three of them in a bag, add half a dozen batteries and am still lighter than a D810 with 24-105.

 

For certain occasions I was using two DSLR-bodies. Wether they are interchangeable or not, I was not interchanging lenses, just taking the tele- or wideangle body, as changing lenses costs time and distracts focus (of my mind).

 

I can understand your point, I just see also the advantages of a fixed lense which keeps dust out of the body. At least in theory.