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Gehmann diopter optics 530 / with iris diopter disc

160 €

38179 Schwülper, Germany
1,092
ID: 2939609
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About the seller
Knappworst
PRO
Retailer

Details

Original language
German
Brand
Gehmann
Category
Condition
New
Location
🇩🇪 38179 Schwülper, Germany
Availability
available for pre-order

Timeliness

This offer is based on an offer mirroring, where the offer data was transferred from a shop, merchant, or external marketplace to us. Please note that temporary price discrepancies may occur due to possible delays in data transmission.
Source
Knappworst
Last updated
before 35 minutes

Description

Note: The item location is abroad. Please note that this may affect delivery conditions, shipping times, and/or the purchasing process.
  • with optics 1.5x -4.5 to +4.5 dpt
  • with an extremely short design, this patented iris diaphragm has an adjustment range of 0.5-3.0 mm (more than double than before)
  • absolutely play-free mounting of the completely round iris
  • all inner curves of the lamella segments are precision-ground with diamond grinding pins for a completely round iris at all selected settings
  • Material of the iris: hardened spring steel (instead of conventional brass), therefore the iris is extremely robust
  • exact positioning of the aperture at all set diameters via spring pre-tensioning, a shift of the focal point is completely excluded
  • anti-reflective treatment or coating of the metal surfaces in the viewing opening
  • reflections are avoided by lapping radiation and matte black anodizing of the outer surfaces of the metal housing
  • adjustment scale laser-engraved
(Show description in original language)
  • mit Optik 1,5fach -4,5 bis +4,5 dpt
  • bei einer extrem kurzen Bauweise hat diese patentierte Iris-Diopterscheibe einen Verstellbereich von 
    0,5-3,0 mm (mehr als doppelt soviel als bisher)
  • absolut spielfreie Lagerung der völlig runden Iris
  • alle Innenkurven der Lamellensegmente sind mit Diamantschleifstiften präzisionsgeschliffen für eine völlig runde Iris bei allen gewählten Einstellungen
  • Material der Iris: Gehärteter Federstahl (statt des herkömmlichen Messings), daher ist die Iris äußerst robust
  • exakte Positionierung der Blendenöffnung bei allen eingestellten Durchmessern per Federvorspannung, eine Treffpunktverlagerung ist damit vollkommen ausgeschlossen
  • reflexmindernde Behandlung bzw. Beschichtung der Metalloberflächen in der Durchblicköffnung
  • Spiegelungen werden durch Läppstrahlung und mattschwarze Eloxierung der Außenflächen des Metallgehäuses vermieden
  • Einstellskala lasergraviert

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