Monoculars serve quite a few reasons. They may be used along side a standard optical sight for target identification or for a standalone observational tool. Thermal monoculars are intended to be carried in the hand, without having obstruction, and don't include a reticle for capturing. Shade modes give superior definition https://thermal-binocular27306.popup-blog.com/27811338/the-fact-about-thermal-binocular-that-no-one-is-suggesting