Gehmann 575-579
Rear Sight iris, 6-colour, twin polarisation filters and 1.5 magnifying lens, -4.5 to +4.5 dpt.
A revolutionary iris, colour and magnifyer assembly which permits correction of diagnosed axis and sphere problems in the shooter's eye
For more information on the corrective part of this unit please refer to our description of 579 Iris
6-colour filter, colours: orange, light green, yellow, medium grey, dark grey and amethyst (purple)
Two polarisation filters (565)
1.5x magnification with -4.5 to +4.5 diopter correction
And cylindrical lens system (579)
Easy clean, assembly and user manual are included