L3 PVS7 Compatible Eyepiece Retaining Ring. Aluminum construction retaining ring, compatible with the PVS7B/D series of devices. Stronger and easier to install than the original polymer eyepiece retaining rings from L3. Website link- https://www.fotonikainc.com/?fotonikaRoute=products%2Fl3-pvs7-compatible-eyepiece-retaining-ring.html
