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New 2-in Narrowband Filter OIII 7nm

$267.70

SKU: ASC2112AF-2 Categories: , ,

The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing the 7nm bandwidth of light centered on a wavelength of 500nm

Availability: Only 1 left in stock (can be backordered)

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The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing the 7nm bandwidth of light centered on a wavelength of 500nm

  • FWHM:7±0.5nm
  • Fine-optically polished to ensure accurate 1/4 wavefront  over the both surfaces
  • About 90% transmission at major OIII line 500nm
  • Infrared wavelength 700-1100nm cut-off
  • <0.1% transmission of off-band, OD3(Optical Density)
Weight0.1 kg
Dimensions7.5 × 7.5 × 2 cm

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  • FWHM:7±0.5nm
  • Fine-optically polished to ensure accurate 1/4 wavefront  over the both surfaces
  • About 90% transmission at major OIII line 500nm
  • Infrared wavelength 700-1100nm cut-off
  • <0.1% transmission of off-band, OD3(Optical Density)
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