Gehmann 579 Cylindrical Lens System in very good used condition.
The cylindrical lens system is able to compensate astigmatism and to balance size and optical axis of the eye. The system allows correction of the sphere from 0 to 2 deg, with finer adjustment.
This system attaches to the following Gehmann irises using the correct adaptor.
579-1 - to attach to Gehmann irises 566, 567, 570, 570PH
579-2 - to attach to 550, 551, 551PH, 568, 565, 575, 512MC, 546MC, 568MC, 569, 563
579-3 - to attach to 510, 501MC, 564, 500, 530, 530 PH (510 also requires 577 unless using diopter unit 50309)
To attach to irises of other brands please use 597-3 & 577.
Comprehensive English instructions are available on Gehmann’s website. Not legal for ISSF competitions, as the system contains lenses. Current list price £115.
£85 inclusive of postage.