>>4496061>Lens technology itself has been improving so much. no reason to obsess about shorter flange back.Of course, but assuming two lenses are equal in everything else, the one with the short flange distance should in theory be sharper.
>There are the Global shutter, Electronic shutter. when sony finally starts to R&D for their sensors it can get fucked.Most of the time when people are comparing rangefinders against alternatives, they're talking about film cameras. There are no e-shutters on film cameras.
>RF unit is probably the most annoying shit to handle in a camera.No way near as bad as a mirror return. The actual rangefinder mechanisms don't usually go wrong unless you fuck with them or damage them. Mirror returns can be subject to decay from perished dampers, and will also feature more wear parts.