Finally got the C-PQ adapter so I was able to try my Q telezoom, the C-mount PH8X8-II 8-48mm F1.0 Canon TV zoom lens. At first I thought it's not that good, but it can produce some "interesting" images. At F1.0 it's very soft but at F2 it's pretty good. Here are some of the first I managed to get from it. If I remember right the apertures were
F1.0
F1.5
F2
F2
F2
F4
Between F1.0 anf F2 the rendering is pretty "artistic" and quite different than my other lenses (in any format). I quite like it. And I'm sure I will use it again.