In all seriousiness, I'd practise zone focusing so you can able to get the shot without having to rely on the rangefinder.
Set a higher f-stop, says F/8, so the subject will be in focus between 1.5 metres to 0.8 metres if you set the focus at 1 metres, this way you won't have to worry about the subject being out of focus.
Too big and bulky, and autofocus a hit or miss.
In all seriousiness, I'd practise zone focusing so you can able to get the shot without having to rely on the rangefinder.
Set a higher f-stop, says F/8, so the subject will be in focus between 1.5 metres to 0.8 metres if you set the focus at 1 metres, this way you won't have to worry about the subject being out of focus.