Gehmann 550 Rearsight Iris with Twin Polariser

Gehmann 550 Rearsight Iris with Twin Polariser 

• Rearsight iris adjustable from 0.5 - 3.0mm 
  
• Two polarisation filters:
  • 1. ring eliminates reflections and controls white around target
  • 2. ring (with stainless lugs) controls light through the sight and enables varying degrees of brightness
• 10 - 90 % light absorption via the twin polarisers
• Can be used as an iris only - or with one, or both, polarisers
• Removable steel threaded connection which enables the use of a diopter