The Adjustable IRIS Aperture is designed to offer end users reliable protection and enable full use of their Night Vision Devices. Built out of durable 6061 T6 Aluminum, the Adjustable IRIS Aperture is ready to take abuse. Securing to the NVG objective lens via threads, the Adjustable IRIS Aperture will not run the risk of popping off. The Adjustable IRIS Aperture features a polycarbonate sacrificial lens to keep your NVG objective lens from being scratched or damaged as well.
Additionally, the Adjustable IRIS Aperture offers huge levels of focal adjustment. With the turn of the Adjustable IRIS Aperture bezel, you can adjust the from 22.0mm down to 1.5mm. Adjustable IRIS Aperture system gives you the perfect balance of adjustability and utility.