I own a 2700 with 2″ B&W panasonic viewfinder, but have tried the panasonic colour viewfinder on my camera and I didn’t like it. I think the small screen size is a problem and the LCOS seem to rainbow like a DPL projector. This is very anoying because your eye is always scaning around the frame. I have also used both of Sony’s colour viewfinders on Sony 750s, 900s etc and I think they are a much superior product. I would reconmend that you test for yourself as they are all very expensive.