The resolution is usually measured by the lines per millimeter. If it has more lines per millimeter, it can give the clear image to the user .The tubes, lenses, and other parts of the scopes are made of the best quality materials. Thus, it is a durable product.
As the rifle is made of waterproof materials, it can be used in all weather conditions. It is used at the time of night hunting, boating, war, defense, etc. Also, the price of the night vision device is cheaper.