I use GFX 100s and GF 80mm and 35-70mm mainly, and I'd like to expand my prime lens a bit more. In cities or indoors, 80mm is too difficult to deal with framing and I am considering getting a GF 45mm or 55mm. I hear a lot of great comments on 55mm, but it is more expensive. Has anyone been in a similar situation torn between the two? Could you give me some perspectives?