566-S Gehmann iris & 6-colour filter

Incorporates the patented 510 iris
Filters are of the highest quality optically flat glass in colours: orange, light green, yellow, medium grey, dark grey and amethyst
Can be used as iris only
Removable steel threaded connection
Easy clean instructions included
Attractive, anti-reflective black and matt silver finish
Centre is finished in matt black to ensure that there are no reflections