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OIII 5nm 2" filter for CCD photography in astronomy - SVBONY

OIII 5nm 2" filter for CCD photography in astronomy - SVBONY

svbony-W9187DC

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€153,00 EUR
€153,00 EUR
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  • Shipping from France
  • Return within 90 days
  • Model: SV227
  • Type: OIII Filter
  • Size: 2 inches
  • Wavelength range: 300-1000nm
  • CWL: 500.7nm
  • FWHM: 5nm
  • Maximum transmittance: ≥90%
  • Substrate thickness: 1.85mm
  • Blocking: ≥OD5
  • Clear opening: 44mm
  • Surface quality: 60/40
  • Surface parallelism: 1/4λ
  • Parallelism: 30"
  • Thread: M48x0.75
  • Unique threading: Yes
  • Net weight: 12.5g
  • Designed for the observation of nebulae
  • Reduces the transmission of artificial light wavelengths
  • Ideal for CCD photography in astronomy
  • Provides well-defined nebula structures

Compatible with telescopes having a focal ratio greater than F/5.

OIII 5nm 2" filter.

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