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7nm H-Alpha Filter 50.8mm for Astrophotography - ZWO

7nm H-Alpha Filter 50.8mm for Astrophotography - ZWO

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€315,00 EUR
€315,00 EUR
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Enhance your astronomical images with the ZWO H-Alpha 7nm narrowband filter of 50.8mm. Specifically designed for astrophotography, this filter allows you to capture fine details of hydrogen nebulae while reducing unwanted light interference.

  • 90% transmission on the H-Alpha line (656.3nm)
  • FWHM bandwidth of 7nm (+/-0.5)
  • Cut-off in the infrared (700/1100nm)
  • High-quality Schott glass
  • Glass thickness: 1.85mm
  • Precise optical polishing for a wavefront of lambda/4 and a parallelism < 30" arc
  • Double-sided optical coating with anti-reflective treatment
  • CNC machined aluminum cell construction
  • Optimizes the contrast of hydrogen nebulae
  • Reduces the effects of street lights and the Moon
  • Eliminates the intensity and number of bright stars in the image field
  • Allows for "Hubble likes" images in combination with O-III and S-II filters
  • Improves the accuracy of astrophotographic observations
  • Compatible with CCD imaging systems
  • Compatible with digital photography (modified and unmodified housings)
  • 50.8mm H-Alpha 7nm filter
  • CNC machined aluminum cell
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