Re: laser genetics?
I have the nd3, it ain't exactly night vision, more like a flash light with a laser source, so the beam doesn't grow as a flash light would, but stays confined in a well defined beam.
Beware: battery life and great, and if the batteries get cold, beam intensity falls fast.
For pig hunting in Texas, it hasn't scared anything away yet, but I haven't put the beam on their face.
It is a good piece of gear in many applications. It ain't night vision (the source is illuminated)but is much better than lighting the target up with a flashlight.