I just know that Prime Portal can be a gold mine of photos.
The rest is just being able to search with Google.
Try searching for: T-34/122
or add “walkaround” to refine the search
The internet is full of information (in English …)
There was also the T-34/100
and the Syrian T-34-122 (different ways of writing the name, just to make things complicated)
which had the gun on an open platform
Here you can see the size of the gun …