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H-Alpha 656nm Narrow Band Filter with Frame (NP656) for Astrophotography

JTSF ★ 3.3/5 · ItemOracle Score Mid-Range

$89 USD
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H-Alpha Emission Filter 656nm Narrow Band Pass Multiple Sizes with Frame for Astrophotograph Telescope (Specification : 77mm)

H-Alpha emission filter at 656 nm with 20 nm bandwidth, designed for telescope imaging. Provides ~85% transmittance and compatibility with 135mm focal length setups. customer insight: mixed keywords

Highlights

  • 656 nm center wavelength
  • 20 nm bandwidth
  • 85% transmittance

Pros

  • narrow bandpass centered at 656 nm
  • high transmittance ~85%
  • frame-compatible for telescope use
  • specifically designed for astrophotography
  • compact 77mm specification

Cons

  • customer insight keywords: mixed/None
  • limited review data available
  • no explicit compatibility with all telescope models

Best For

  • astroimaging of H-alpha regions
  • telescope photography with 656 nm emphasis
  • narrowband filtering for nebulae
  • camera-telescope combined setups
  • frame-based filter integration for 77mm systems
  • long lens astrophotography with 135mm focal length

Features

  • Place of Origin CN (Origin)
  • Material glass
  • Model NP656
  • Bandwidth 20nm
  • peak 656nm
  • transmittance about 85% Use with 135mm Focal Length Long Lens H-Alpha Filter 656nm 20nm Narrow Bandpass Filter for Camera Telescope Astrophotography.

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