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These are your only options. Move back or widen the field of view, which distorts the image.This is some limitation in ArchiCAD right, cause normal rendering software allows to change the field of view?
If you choose the first option perhaps you can temporarily move a wall or create a polygonal marquee in such a way that it allows you view what you need from the outside. You may also combine that with viewing items outside the marquee as set in 'Filter and Cut Elements in 3D'.