Made in Germany

531Q Iris & self-polarising screen to control light round iris
  • Iris appears as a metal element
  • Infinitely adjustable from 2.9 to 4.9mm
  • Polarised outer screen around the iris eliminates incoming glare thereby enhancing target clarity
  • M.18 thread - needs 538 collar to fit M.22 foresights
  • Adjusts from 2.9 to 4.9mm

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