Another vote for the Domke F2.
I see canon gear in the linked photo.
How the does the 500 seies body with 80mm attached fit in the f2 bag? Any pics?
I don't know about the 500 series, but I can fit my Bronica SQ-A with 80mm in my f2 with the same insert as in the photo (4 compartment) by laying it down or by standing the camera on its end. This is with the WLF and not the prism finder, and I have to take the speed grip off.
I have a Canon 85mm f/1.8 and when it's attached to an F1n or FTB it fits into the big compartment. When I was young and foolish, a carried 2 Canon bodies and 5 prime FD lenses in that bag. Back then, I was told that zoom lenses were'nt as good. I'm not a pro anymore, but now I just carry 1 body and 2 lenses max. The Domke is sometimes too big so I switched over to a Crumpler 4 Million Dollar home. It's a great bag. I'm tired of back aches.
If you are going to buy a Domke bag be careful there are a lot of fakes about made in the Far East many of them on E bay, if you buy one get one from a reputable dealer, and if they are genuine they should have YKK zips fitted.