According to Cold Harbour Media, not all PVS-14s are not created equal and to prove the point, do a comparison of the Optronics version against the US-Milspec PVS-14... "New night vision users may be surprised to learn that NOT all PVS-14s are equal. The most popular NV device in the world has various OEMs, different performance, and price. In this video Ryan takes an in-depth dive into what makes the popular budget Optronics PVS-14 versus the US Milspec PVS-14. Tune in for all things Night Vision here at CHS Media."