ATN Thermal Imaging Has Gone Digital! ATN is proud to introduce the newest line of ThOR Thermal Weapon Scopes. The most advanced night vision technology available is brought to you by the premier company dedicated to providing night vision systems at affordable prices. The new ThOR line is rich with features and options making it the best value of any comparable system on the market. This model is lightweight and small enough to fit in the palm of your hand, yet it’s rugged and durable. The entire system is built in the USA, utilizing Mil-Spec Lenses that make the ThOR battleworthy for most any mission, operation, or outdoor activity.