Sony is no stranger to producing impressively small full-frame cameras. The original A7C took the innards of the larger A7 series and stuffed them in a more compact body. The ZV-E1 went further, with a tiny body that looks positively comical attached to long lenses. These smaller bodies always involve feature compromises. No one wants a heavy camera, but some features mean physical limitations. While the sensors may be the same, the viewfinders are smaller, and other features were sometimes absent. Enter the new Sony A7C R. In my experience testing it for several weeks in North Carolina’s Outer Banks, it comes closest to providing everything you need in a camera and nothing you don’t. The impressively small body is nevertheless comfortable to hold and carry around all day, and has most of the features even a pro would want. All Things Great and Small Two years ago, I tested the original Sony A7C and found that while the compact, rangefinder-style body was perfect for traveling, the viewfinder was too small and the 24.2-MP sensor …