Gehmann iris, 6-colour, twin polariser, 1.5x lens
Iris 0.5 - 3.0mm
6-colour filter: orange, light green, yellow, medium grey, dark grey and amethyst (purple)
Two polarisation filters (565)
1.5x magnifying with -4.5 to +4.5 diopter correction
Can be used without colours or polarisers
Detachable diopter (needs 577)
Easy clean instructions included
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