Tipoff Blue filter for 9AN

The listed filter provides you with the ability to alter the light to a blue beam. It is excellent for reading maps, as it does not impair your night vision. The blue beam was originally designed for police and hunters to illuminate blood trails. The filter can be flipped open to provide white light when needed.


Features:

  • Does not impair night vision
  • Can be flipped open or shut instantly
  • Protects the lens