564 Gehmann iris, 48-colour & single polariser

Iris
12 colour filters:
- 1. bank: orange, light green, yellow, medium grey, dark grey and amethyst
- 2. bank: Light blue, dark blue, lemon yellow, red, light green and lilac
Colours from one ring can be mixed with the other providing the remaining 36 colour options
Single polariser
Can be used as an iris only
Laser engraved serial number and indications
Removable steel threaded connection
Easy clean instructions included
Black and silver anti-reflective finish