Yeah- max magnification only shows a distant mountain top and is at max v-sync rate. Here's my numbers for min mag:
no AA 30 fps
2X AA 30 fps
4X AA 30 fps
8Xs AA 29 fps
Northwood 2.8GHz P4
1.5GB RAM
7600GT 256MB AGP 8X, drivers 169.21
1280x1024
512 textures
Win XP Pro SP2
(Obviously my CPU is the limiter, not my graphics card.)