Dear Jim:
I know your site talks about night vision ["Starlight" light amplification
technology], but thermal night vision if you can afford it is far superior
for hunting/perimeter
defense/tracking.
It doesn't
matter
about movement or camouflage [since these can literally see body heat.] See:
http://www.imaging1.com/thermal/Thermal_weapon_sight.html and
http://www.imaging1.com/thermal/MX_1000.html
- S.F.