theopticguru thor lt thermal rifle scope w/10+hrs battery & ultra-low power consumption (160x120, 3-6x) theopticguru if you've ever thought about purchasing a thermal scope, you're probably wondering why they are so expensive. thor lt series were designed specifically to solve this problem. this thermal scope allows you to focus on what really matters with minimum efforts, keeping things as simple as possible. with revolutionary technologies used in thor lt production, atn breaks the price barrier of thermal vision. it detects animal body heat through crops or fog and doesn’t require any visible light to produce a sharp image.