Lirces 3 – ISC Laser Filter Unit (LFU)

Lirces 3
The Laser Filter Unit (LFU) is placed behind the IRIS and is used to protect the user’s eye from incoming dangerous friend or foe lasers. In addition to offering laser protection, the LFU keeps the host device’s objective lens protected from the elements. The LFU is indexable within the adapter so that the 4° angle can be oriented appropriately.


  • Protects operators' eyes​
  • Protects expensive optics​
  • Protects against glint, glare​
  • Greatly reduces or eliminates OA
  • Logistically supportable


Products are available for DOD, Federal, State and Local Government Agency ordering.
ADS cannot quote or fulfill personal orders.

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