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Filtre ZWO OIII 7nm 31,75mm pour Astrophotographie - ZWO

Filtre ZWO OIII 7nm 31,75mm pour Astrophotographie - ZWO

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Available within 7 days

€169,00 EUR
€169,00 EUR
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Optimize your astronomical captures with the ZWO OIII 7nm filter of 31.75mm, specially designed for astrophotography. This narrowband filter targets the wavelength of 500 nm, significantly improving the contrast of nebulae and allowing images of exceptional clarity.

  • FWHM bandwidth of 7 nm (+/-0.5)
  • 90% transmission on the O-III line (500.7nm)
  • Cut-off in the infrared (700/1100 nm)
  • High-quality Schott glass with a thickness of 1.85 mm
  • Precise optical polishing ensuring a wavefront to lambda/4 and a parallelism < 30 arcsec
  • Double-sided optical coating with anti-reflection treatment
  • CNC machined aluminium construction for high precision
  • Available in 4 formats: 31.7 mm, 50.8 mm, 31 mm and 36 mm unmounted circular
  • Significantly improves the contrast of nebulae in astrophotographic images
  • Reduces the effects of street lighting through precise wavelength selection
  • Allows for the creation of "Hubble" style images in combination with H-Alpha and S-II filters
  • Increased durability and precision due to CNC machined aluminium construction
  • CCD imaging
  • Digital photography (modified and unmodified camera)
  • ZWO OIII 7nm filter of 31.75mm
  • CNC machined aluminium cell
  • Double-sided optical coating with anti-reflection treatment
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