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New 1.25-in Narrowband Filter Ha 7nm

$141.23

The ZWO Hydrogen Alpha (Ha) Filter in the 1.25″ size is a must-have for astrophotographers looking to capture stunning images of hydrogen emission regions in nebulae. This filter is designed with high-quality materials and anti-reflection coatings to block all other wavelengths of light except for the Ha wavelength (656nm), enhancing contrast and detail in your images. The 1.25″ size is compatible with a wide range of telescopes and cameras, and the filter has a bandpass of 7nm. It comes in a protective case for safe storage.

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The ZWO Hydrogen Alpha (Ha) Filter in the 1.25″ size is a must-have for astrophotographers looking to capture stunning images of hydrogen emission regions in nebulae. This filter is designed with high-quality materials and anti-reflection coatings to block all other wavelengths of light except for the Ha wavelength (656nm), enhancing contrast and detail in your images. The 1.25″ size is compatible with a wide range of telescopes and cameras, and the filter has a bandpass of 7±0.5nm FWHM. It is fine-optically polished to ensure accurate 1/4 wavefront over both surfaces, and has about 90% transmission at the H-alpha line (656nm). It has an infrared wavelength 700-1100nm cut-off and <0.1% transmission of off-band, OD3 (Optical Density). The filter comes in a protective case for safe storage.

Features:

  • Isolates the Ha wavelength (656nm) for enhanced contrast and detail in astrophotography
  • Blocks all other wavelengths of light for improved image quality
  • High-quality materials and anti-reflection coatings for excellent optical performance
  • Compatible with a wide range of telescopes and cameras
  • 7±0.5nm FWHM bandpass for precise filtering
  • Fine-optically polished to ensure accurate 1/4 wavefront over both surfaces
  • About 90% transmission at the H-alpha line (656nm)
  • Infrared wavelength 700-1100nm cut-off
  • <0.1% transmission of off-band, OD3 (Optical Density)
  • Comes in a protective case for safe storage
الوزن0.1 كيلوجرام
الأبعاد7.5 × 7.5 × 2 سنتيميتر

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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 H-alpha line 656nm
  • Infrared wavelength 700-1100nm cut-off
  • <0.1% transmission of off-band, OD3(Optical Density)
  • 1.25″
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