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Wensenlijst

H-alpha CCD 12nm - 36mm Unmounted

135,00
90,00
(74,38 excl. btw)
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Omschrijving:  © Copyright takahashi.be

OPTOLONG© H-ALPHA 12nm FILTER 36mm UNMOUNTED

  • Narrow band filter for CCD photography
  • Lets the H-alpha light of emission nebulae pass and will enhange contrast.

Technical data:

  • Peak transmittance:Tmax @ 656 nm h-alpha 
  • Light transmittance of more than 95%
  • Half the bandwidth (FWHM) :12 nm
  • The range (Blocking Area) :200-1100 nm
  • Filter glass thickness:2mm
  • Glass material: Germany Schott RG610
  • Highest quality coating on the surfaces to avoid reflections.
  • Surface finish:60/40
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