I want to give mirrorless a shot (I always and only used DSLRs), especially because I'm enthusiast for street photography and I want something agile when traveling. I'm also a time-lapse fan.
I see that Sony a7s is full-frame (never had one, would like to try!), but I see also many people (e.g., here) complain that big lenses make it big as a DSLR.
I found also the Fujifilm X-T3 very interesting, it looks more compact when using lenses (is it?) and well-reviewed, but it's not full frame and doesn't seem so good for timelapses (or is it?).
Many recommended me also the Fujifilm X100, but the fixed length makes it a little bit too much constrained in my opinion (even if it looks perfect for streetp pohotography).
What do you think about this? Are any valid alternatives for what I am looking for?