WHAT DOES HEAD MOUNTED NIGHT VISION MONOCULAR MEAN?

How can I focus although using the Prowl? The Prowl has two focus controls, a diopter as well as a wheel at the front in the gadget. Use the main focus wheel in the entrance to bring the screen into emphasis and utilize the diopter to help you your eye see it as Evidently as you possibly can. You might also wish to use the diopter in order that obj