Gehmann 550 Polarisation & Filter 

Description

* iris * two polarisation filters: 1. ring eliminates reflections and controls white round 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 * easy clean instructions are included