Gehmann #575 Rearsight Iris

  • correction from -4.5 to +4.5 diopter
  • Standard thread for all current precision target rearsights.
  • Removable thread for retro-fit of our - 4.5 to + 4.5 magnifying diopter.
  • Locking collar to enable precise positioning of the 'V' datum mark
  • Six optically flat glass colour filters which can be precisely located in position.
  • Clear settings at either end of the adjustment range for use of iris or polarization only
  • Matt black finish to eliminate reflected light and any distortion of the sight picture
  • Infinitely adjustable iris made to our latest patent covering the size range 0.5 mm to 3.0 mm
  • Laser engraved indications
  • Twin polarizers
    • first ring: controls white round target
    • second ring (with stainless lugs): controls total light through the sight
  • Thread Male M9.5