I’m not much of a DSLR guy. Normally I prefer bigger cameras for any regular job, but sometimes you need an all-in, lightweight/small setup to do everything good and quick.  The new Sony a3600 seems to do that for me. It’s very small, about 4.5″ wide by 1.75″ deep. This makes it very easy to both handhold and shove into tight spots.  It feels…