http://rusoptics.com/
No ITAR BS, no paperworks to do. Russia has its own export control, but I the website says it serves Belarus, so it should be okay.
They have nothing radiometric and they put a heavy premium on what basically is ULIS reference designs.
I mean, seriously? $3000 for a Pico384? Opgal makes a 640x480 imager for less.
I'm looking for something used and more affordable, it's a personal project.