For any set of 8x42 monocular, the exit pupil is 5.25. Try to look for an exit pupil of five or bigger if you might want to use them in low light-weight. The compact and light-weight style and design causes it to be very easy to pack in the bag https://raymondexkxi.shoutmyblog.com/27831568/the-smart-trick-of-handheld-thermal-monocular-that-no-one-is-discussing