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Filtre SII 7nm ZWO 50,8mm pour l'astrophotographie - ZWO

Filtre SII 7nm ZWO 50,8mm pour l'astrophotographie - ZWO

zwo-zwsii7_d2

Available within 7 days

€326,00 EUR
€326,00 EUR
In vendita Épuisé
Coût expédition: ~
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Improve your astronomical images with the SII 7nm ZWO 50.8mm filter. Designed for astrophotography, this narrowband filter allows for selective wavelength reduction, thus increasing the contrast and quality of your observations. Its high precision manufacturing ensures optimal transmission and outstanding performance for various imaging applications.

  • Bandwidth: 7nm
  • Central wavelength: 672nm
  • Transmission: 90% on the S-II line
  • Infrared cut: 700-1100nm
  • Material: Schott glass, thickness 1.85mm
  • CNC machined aluminum cell
  • Available in four formats: 31.7/50.8mm and 31mm/36mm unmounted circular
  • Double-sided optical coating with anti-reflective treatment
  • Precise optical polishing ensuring a wavefront accuracy of λ/4 and a parallelism <30" arc on both surfaces
  • Enhances the contrast of nebulae and celestial objects
  • Effectively eliminates public lighting effects
  • High manufacturing precision for optimal image quality
  • Compatible with H-Alpha and O-III filters for "Hubble likes" images
  • Optimized for use in CCD imaging and modified digital photography
  • Compatible with astrophotography systems using H-Alpha and O-III filters
  • Suitable for CCD imaging and modified digital photography
  • SII 7nm ZWO 50.8mm filter
  • CNC machined aluminum cell
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