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H-alpha CCD 7nm - 36mm Unmounted

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Technische specificaties:  © Copyright takahashi.be

OPTOLONG© H-Alpha 7nm - 36mm unmounted
A full-width half maximum (FWHM) bandpass of just 7nm, ensuring high-contrast images, even in heavily light-polluted or brightly moonlite skies. The filter can be used separately or in combination with a filter wheel for advanced tri-color imaging of emission nebulae.

  • Ultra-hard Ion Beam Assist Deposition Coatings
  • < 30 sec parallelism 
  • Each substrate is fine-optically polished plane parallel to deliver a smooth and accurate 1/4 wavefront over the entire surface
  • Completely resistant against high humidity, scratches and aging effects
  • Star halo reduction
  • Reduction of chromatic aberration