Your Browser is OutdatedQ&A for NightStar 2x50mm Gen-1 Tactical Night Vision Rifle Scope, Black — 6 Questions & 6 Answers
Same Q everyone has due to the ridiculously poor user manual this comes with [single sheet of paper, folded into 1/3rds, w/ the same "how to unbox" text on both sides...] Anyway, I got a reply from the manf.; it takes a CR123a 3v lithium battery. This is great! I can now proceed to make an external battery box that takes regular rechargeables... ;-)
Unfortunately, the manufacturer does not provide that information. You would need to contact the manufacturer.
Got a reply from the manf.'s warranty support: it requires a CR123a 3V lithium [ie: fairly common but expen$ive camera battery.]
How much moonlight do you have? On a clear night w/ full moon, it might get up to the 250m I seem to remember from somewhere in the docs or item description. But with only 35lp/mm resolution of the intensifier tube, you'd be limited to shooting well defined [black bullseye on white b/g] paper targets at that distance. Typically the best you'll get out of a Gen 1 device with adequate illumination [full moon or a good, high output IR light] is ~ 100yds. Sufficient for anti-predation against coyotes or hogs. On darker nights, it's going to be dependent upon the amount of illumination you bring with you; this costs a lot less than the cheapest Gen2 NV for a reason!
No, as it is tube powered exposure to bright light can damage the tube.