I also use LV and then the plus/zoom button to focus by hand. Also, at night I don't use anything but manual focus done using LV, same with macro. As for old lenses, I am not too sure, but others are.
.... "Above all, it's hard learning to live with vivid mental images of scenes I cared for and failed to photograph. It is the edgy existence within me of these unmade images that is the only assurance that the best photographs are yet to be made." Sam Abell