Since both have a 30-day right of return, this would be possible "under certain circumstances". More detailed information on returning items can be found under "Return and Guarantee": https://www.digitec.ch/de...

The Sony Alpha 7RII just fits with 24-70mm G-Master and without a sunshade. I think the 80d is still a bit bigger, so I would rather advise a bigger bag. With the A7RII it's already so tight that I'm not entirely happy with this solution. I think the ideal size of the camera should be about the same as an Alpha 6000/6300/6500.

According to our information, the back of the bag is waterproof.

Not in the Slingshot Edge 150 AW, or only with a "bump", which is why I bought the 250 model. But I am extremely satisfied with both of them. I usually take the 150 with me when I use the camera without a handle and with the fixed focal lengths, the 250 with a handle and whether the 55-200 or the flash (500) is in the compartment. It's like always: there is not ONE photo bag, but several depending on the application...