510 Iris Much shorter & adjustable over the wider range 0.5 -3.0mm the fixed-seat iris works with individually pin-located tempered spring steel leaves aim-point precisely maintained through the wider range of adjustment by the introduction of a new system of aperture control operated by varying the pressure of a steel tube against the central aiming ring, guaranteeing a perfect circle light reflection kept to a minimum by internal and external matt finish unique Gehmann patent - not found in other irises laser engraved indications all rearsight irises carry Gehmann's 30-year guarantee

563 Iris iris 6 colour filters single polariser easy to clean - instructions included finished in black and silver

564 Iris iris 12 colour filters single polariser black and silver

565 Iris six optically flat glass colour filters which can be precisely located in position. Clear settings at either end of the adjustable range for use of iris or polarisation only standard thread for all current precision target rearsights removable thread for retro-fit of Gehmann's -4.5 to +4.5 magnifying diopter locking collar to enable precise positioning of the 'V' datum mark infinitely adjustable iris coving the size range 0.5mm to 3.0mm all internal surfaces are matt blacked to reduce light reflection to minimum

566 Iris 6 colour filter incorporates the patented 510 iris filters are of the highest quality optically flat glass in colours: yellow, green, brown, light grey, dark grey and orange can be used as iris only easy to clean - instructions included

570 Iris 6-colour filter and 1.5x magnifying diopter iris 0.5 - 3.0mm 1.5x magnifyer with -4.5 - +4.5 diopter correction

590 Compact

extremely short but strong double base clamps means suitability for all types of rifles
machined from solid aluminium for precision
short mounting rail allows maximum movement of the sight for all iris attachments
long standard-threaded tunnel enables use of all irises and anti-glare tubes
large knobs for ease of use
attractive black finish
bullet shift 1.5mm per click at 50 metres

518 Clearview Rearsight

Has a wider tunnel (30 mm) for viewing wind flags
the clear-view panel can be overlayed with colour filters available in yellow, green, light and dark grey
on the front of the clear-view panel is an exceptionally slim iris adjustable from 0.8 - 2.4 mm (with 30 year guarantee) - threaded on the front to also allow colour filters in yellow, green, orange and blue
the glass plate and iris are easily removed for cleaning