I've been using my Night Owl night vision monocular for about a month and this review is based on the following observations: Pros: Works well for seeing in the dark at 20-150 yards. Features a lens adjustment +/- like binoculars to adapt to your eyes. You can see very well without using the IR Illumination feature in minimal light if your eyes can't see fully - it illuminates it like daylight in a scope. The IR illuminator works well over long distances and is like a powerful, invisible flashlight beam that doesn't scare wildlife and illuminates the view very well in a narrow beam area. Good quality for this lot. Russian production, not cheap Chinese junk. Available when you need an entry-level night vision scope that lets you see in the dark. At this point the battery life seems pretty good, although I haven't used the IR lights too much. Disadvantages: Small field of view at a distance, but still usable. Be careful not to look close at bright light and do not use it in daylight as this may damage the device! It takes a few seconds for the electrons to excite and illuminate the scope when you first turn it on after a while, so you might miss a brief nighttime viewing opportunity if you don't prepare in advance. I also had a hard time focusing on objects too close, especially within 50 feet or so.
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