The 3pc night vision adaptor ring is fits over
the eyepiece lens and threads into the (Cam-IP) iPhone Camera Adaptor Base
This adaptor fits a range of night vision devices including: PVS-14 night vision monocular,
PVS-7 night vision goggle, LRM-14 10x Long Range Monocular, LRB-7 6x & 10x Night Vision Binoculars.
Made in the USA!