Please note our annual summer vacation from July 31, 2017 to August 13, 2017

Gehmann #530 Rearsight Iris and Diopter

  • correction from -4.5 to +4.5 diopter
  • shorter still and adjusts over the wider range 0.5 - 3.0 mm
  • the fixed seat iris works with individually pin-located tempered spring steel leaves
  • aim point precisely maintained throughout the wider range of adjustment by introducing a new system of aperture control operated by varying the pressure of a
  • steel tube against the central aim point - guaranteeing a perfect circle
  • light reflection kept to a minimum by use of matt finishes internally and externally
  • unique Gehmann patent not found in other irises
  • Thread Male M9.5