12.2.12 Polarizing Filter (E-PFEC)
The polarizing filter end cap is available for use in high temperature applications. The small inserted polarizing
filter will not fit in the standard Endurance end cap. The filter shall protect your eyes, when sighting on bright, high
temperature targets through the visual sighting port. The filter does not affect measured energy. It is solely for
viewing comfort. Rotate the outer portion of the filter until you achieve the desired visual attenuation.
Figure 12-27: Polarizing Filter