Gehmann #570 Rearsight Iris, 6 color Filters and 1,5X Diopter

#570 Gehmann iris, 6-colour with 1.5x diopter

Iris 0.5 - 3.0mm
1.5x diopter with -4.5 to +4.5 correction
Detachable diopter (needs adaptor 577) If you want to use the iris and polariser alone WITHOUT the diopter you need item #577 which is an adaptor. The adaptor on the diopter is not removeable.
Easy clean instructions included
6-colour filter: orange, light green, yellow, medium grey, dark grey and amethyst (purple)
Can be used without colours
Can be used as iris only
Easy clean instructions included
Black