565 Gehmann iris, 6-colour filter with twin polariser

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