Given the peak output range of the filter - which is optimised to Gen 1, Gen Super/CF-Super and Gen 2 series night vision scopes - there will be some visible red glow from any light source to which it is attached.
Given the peak output range of the filter - which is optimised to Gen 1, Gen Super/CF-Super and Gen 2 series night vision scopes - there will be some visible red glow from any light source to which it is attached.