[mikala]

I think it all comes down to what you want to use it for in the end.
If it is to represent what was the original the variation is a no no. If on the other hand you want to use it for animations and have the camera running from long to close ups of strafing fire of the cannons ....well I think deviation is kind of a must.
It all will come down to what you need it for in the end.