575-579 Iris Aperture Disc with 6-Colour Filter, Polarising Filters and Dioptre Optics 1.5x

with integrated Gehmann iris aperture disc 510
adjustment range from 0.5 – 3.0 mm
6-colour filter made of plane-parallel ground and polished filter glass;

Colour selection:
- yellow, orange, light green, medium grey, dark grey and amethyst
with integrated Gehmann polarising filters
- by swinging in a polarising filter into which special quartz crystals are embedded,
  the so-called reflected rays are eliminated
- by engaging the second polarising filter, the position of the quartz crystals relative to each other can be changed
  so that they achieve a 10 to 90% stepless light absorption (varied brightness)
open aiming also possible without colour filter
laser-engraved adjustment scale
operating instructions included
integrated ZLO to correct corneal astigmatism
Optic 1.5x with dioptre correction from -4.5 to +4.5 dpt.
black

1.00 €

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