Strict standards and precision manufacturing have brought to you a rugged, yet lightweight, waterproofNight Vision device, which provides superior optical calibration at an economical cost.They accomplished the goal by combining a 6-element, F1.0 35mm, heavy-coated glass lens with the ability to be submersed under water. They were able to include a number of other options to make this unit even more superior than it was already. The sleek body, with contoured finger rests, houses a powerful high-resolution first generation Intensifier Tube. Once you enter a completely dark where no ambient light is to be found, you can take advantage of the built-in Total Darkness Technology which our Infrared illuminator will provide. The unit also has an optional camera adapter, which will allow you to turn a regular household camera into a Night Vision camera. If optimal picture is what you are in the market for, the ATN Night Storm 1 Black will satisfy your needs. The unit's diopter adjustment of +/- 5 and 1 m to infinity range of focus will allow you to focus in on any object in range.