Proxies connect with the wrong aspect ratio

Moving to Discussions.

Well Premiere works best if proxies are made with Premiere.

Please check with MediaInfo and post outcome in Treeview

If you think this is a bug:

How do I write a bug report? - Adobe Support Community - 13361863

I made the with Blackmagic Proxy Generator because I have a lot of different cameras and dont want to generate an ingest preset for every single one and do everyone manually. 
I double checkt the aspect ratio in Screen. 1920x700 no black bars. 

PAR 1,0

I first tried to generate them via premiere pro but i have a bunch of different cameras and just dont want to bother generating a seperate preset for every single one I generated them with the Blackmagic Proxy generator which works fine. 
There are no black bars in the proxy files I checked with Screen and it is the exact same Aspect ratio. I even connected them in Resolve, just to double check and it also works there. 
So my conclusion at the moment is, that Premiere has a bug. 

what is your workflow on making proxies.

You do not need to attched them if generated by Premiere. This is an auto process.

Black bars might have been added.

Set Program monitor to Transparency grid to check.

You can also check the framesize of the proxies with MediaInfo