These replace your goggle's 1X Objective Lens, giving you the ability to use standard 1 format C-Mount CCTV lenses. We include the anodized aluminum adapter and a 1X CCTV lens, that has manual iris to compensate for night viewing, all light conditions. Lens has a great range of close to far focus latitude. Remove your goggle's 1X lens and replace with this 1X adapter and lens.... A very elegant, robust and affordable option for those wanting to inexpensively boost their system's magnification with after market higher powered CCTV lenses in the market. We want to sell these and have ...