Hi guys, I am considering switching to Sony from Canon (mostly due to Canon's high price points, slow progress and lack of innovation in their products). However, there are some things that frighten me off the switch. My work is in news (online and print) and the following features are imperative for me to have. 1. Ruggedness and weather sealing: I have taken my Canon 5D Mark IV out into freezing (-17c) conditions with no issues at all. It works well in the rain (although I try to avoid this) and it has been bashed through travel to come out working fine. Will Sony stand up to the same environments? I know all manufacturers will not offer guarantees but does anyone have experience working in similar conditions? 2. Dedicated focus point button: In the middle of chaos, it is handy having a back button dedicated to a quick selection of focus points when people are running and/or quickly moving. I have a Sony a6000 (used as a 'take with me everywhere cam') but I find it frustrating having to create a custom setting for the custom button, then having to select the option I want from another set of buttons to get to manual focus points. Once more, the Sony a6000 is very slow to move from point to point, whereas Canon's is very fast. Is this the same on the FF A series? If I create a custom button on the Sony a7r iii and a7 iii will I have to jump through an extra hoop to get to this function? This is kind of a deal breaker. 3. Weight: I know Sony bodies are much smaller and lighter, but when the lenses are added on - they look the same size as DSLRs. Can anyone moving from Canon to Sony confirm a weight difference? I feel moving with the times is important which led me to consider mirrorless cameras and I do not understand why Canon has not jumped into mirrorless Full Frame technology sooner. Number 1 & 2 are important to me, so I hope this forum can offer clarity to this. Thank you!