Cheap NVG leans

Start by watching this video here if you havent I nearly found myself buying a set up of Matbock Eclipses until another user on r, NightVision told me about this build. Its awesome and I wanted to share it. I will post a video shortly of them in use and a description of why you absolutely need these for your NVGs Required Tools: Rotary Tool (Dremel) with a Cutting Wheel Electrical Tape Thread Locker (Loktite or Vibratite) Small Flathead Sharp Knife or Sandpaper for Clean up Parts List: (Some items found cheaper on Ebay and other websites) Adjustable Iris Aperture Diaphragm 1. 525mm Microscope Iris Adapter Aperture Adjustable Lens Optical Diaphragm for Microscope Iris Diaphragm Iris Optical(SK23) Careful as quality is hit or miss. I recommend Amazon for the Returns policy. Sacrificial Window for PVS14, PVS7B, D