New poster.
I've seen some mention of this but not here. My Bronica etrs fitted with the standard 75mm lens appears to have trouble focusing at infinity.
Using a split screen focusing screen, when the focusing ring on the lens reaches infinity, the image still appears to be out of focus. I must mention that I have yet to run a roll of film through it, so cannot actually say if this is normal or it actually does mean the image is out of focus.
I watched a video for the SQ and they had a similar problem. That was resolved by replacing the word foam banding around the focusing screen. However the ETRS does not have any foam beading, so its obviously not that?
cheers