Compared with other devices, night vision scope https://www.atncorp.com/smart-hd-weapon-sight to be the easiest ones out there. Their assembly takes up to 5-6 minutes, hardly and there's literally no science. In fact, you can connect it to your phone and manage all the advanced options from there, if you really want to go deep into the digitization and technicalities.
Not just that, the night vision scope broadens the view as well. It captures the image at a wider angle so you’ll get of the extra area while setting up the focus in one place, particularly. It also filters distortion and glares at night and filters disturbing rays if present in the surrounding area. And plus, the accuracy is at top notch.