Funny recollection I just had reading another article. A couple months ago I was doing a shoot, mostly using my Canon DSLR. At one point the scene lent itself to a wider angle than I had on the Canon so I busted out the X100T and started using that. The subject sort of broke her flow at that point and asked me “are you taking pictures?” Was outdoors with natural light so no flash.
Has this sort of thing happened to you? I had coached her a little to try subtle movements between shots and suddenly I went to a stealth camera.