Gehmann 575 Rearsight Iris – Dioptre, Colour Filters, Polariser
S125108
- Adjustable-aperture rearsight iris for ISSF target rifle shooting, built on Gehmann's patented 565 mechanism
- Iris opens continuously from 0.5mm to 3.0mm for precise control of the sight picture
- 6 optically flat colour filters — yellow, light green, orange, purple, dark grey and light grey — locate precisely and can be combined
- Twin polarising filters cut reflex glare and give continuous 10-90% light absorption adjustment
- Built-in 1.5x dioptre lens with -4.5 to +4.5 correction; unscrews for a 577-thread adapter to run as a plain iris
- M9.5x1 thread fits all major target rifle sight brands; matt finish minimises internal reflection
- Laser-engraved markings; instruction manual included
The Gehmann 575 is a rearsight iris for ISSF target rifle shooting, built around the maker's patented 565 iris mechanism and combining aperture adjustment, colour filtration and polarisation in one unit. The iris itself opens continuously from 0.5mm to 3.0mm, giving fine control over the sight picture in changing light. Six optically flat glass colour filters — yellow, light green, orange, purple, dark grey and light grey — locate precisely into position and can be used singly or combined to suit different backgrounds and light conditions. Twin polarising filters work independently: the first removes reflex glare by filtering out unwanted light oscillations, while rotating the second against it varies light absorption continuously from around 10% to 90%, letting the shooter dial in exact brightness. A 1.5x dioptre lens with -4.5 to +4.5 correction is built in, and this optic unscrews for replacement with a 577 thread adapter if a plain iris without dioptre correction is preferred. The unit fits the M9.5x1 thread used by all the major target rifle sight brands, has a matt finish to cut internal reflections, and carries laser-engraved markings. An instruction manual is included.
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