Passive NV optic setups PART 1 (theory)

Hollywood and myself chatting on range day about various optic setups for night vision and some things to consider when it comes to position for passive aiming in relation to NVG usability. Sorry for the re-upload, had a doubled up section of footage. xoxo If you'd like to help support me please consider purchasing my LOW AMMO TRAINING HANDBOOK here: https://read.amazon.com/kp/embed?asin... Thanks !