Hello, new member and first time poster here ...
I'm using the above finder with a GF1 and a 20mm lens. It's a lovely finder but the brightlines seem to be slightly rotated anti-clockwise, so that you think you have the subject square (or horizon horizontal!) byt the picture is always down a smidge to the right.
Does anyone know if this is adjustable? The rear element has a knurled ring that looks like it should twist (but I don't want to force it) and the hotshoe has two tiny crosshead screws fixing it to the finder.
Stumbling in and experimenting is always an option but has led to some spectacular disasters in the past

so I'd appreciate and experience there is out there.
Best wishes,
Mike