Iris, 6-colour filter with twin polariser

for all well-known target rifles with M9.5x1 (Anschütz, Feinwerkbau, Grünig + Elmiger, Hämmerli, Steyr and Walther) Threaded for standard target rearsights Removable steel thread allows retro-fitting of our 50309 magnifying diopter (-4.5 to +4.5) Locking collar allows precise location of the V-mark Laser engraved indications Two polarisation filters 1. ring eliminates glare and controls white round target 2. ring (with lugs) controls light through the sight Filters (filter and polariser) can be used together or one at a time Adjustable iris made to our latest patent covering the range 0.5mm to 3.0mm Internal surfaces are matt black reducing light reflection to a minimum Matt finish to eliminate reflected light and subsequently distortion of the sight picture Six optically flat glass colour filters which can be precisely located in position, colours: orange, light green, yellow, medium grey, dark grey and amethyst Clear settings at either end of the adjustment range for use of iris only or polarisation only