Time and money. You never have enough of both it seems. Ideally, to gain the best experience with night vision you would attend training courses held by qualified instructors. Due to financial or time constraints, that’s just not possible for many. But honestly some should build their skill sets a little more before attending an expensive 2 day class. This is not a swipe at newbies. This is about getting the most quality instruction time for your money. The last night vi