I use it along with the A7RIII for architectural work mostly. It works great and I love the 61 MP sensor. For this type of work, which is slower paced, both cameras serve me well. However, I do also have the A7RV and A7CR which I use for commercial work, personal projects, landscapes, travel, hiking and stock photography. Overall I prefer the A7RV over the IV as it is speedier in operation, has the new menus, has a better EVF and LCD plus better focusing (even though the A7RIV has great AF too). It will be interesting to see what the A7RVI brings to the table in a couple weeks.