Possible fix for improving the graphics after SU5

This can definitely be pushed higher with relatively minimal impact on performance, although YMMV. See this post:

The tower on the field on the left goes from visible here (Object LOD 2):

to here (Object LOD 4):

to here (Object LOD 9 - NOT RECOMMENDED just for illustration - and it is tiny in this pic so you may not be able to see it without zooming the pic in):