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Baader Planetarium 50x50mm Square H-alpha Enforced-Narrowband 3.5nm Filter for f/10 to f/3.5 Optical Systems

SKU: AA2459456 MFR: FHALNE-SQ50
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Key Features

  • Capture stunning H-alpha images with this 50x50mm narrowband filter, perfect for deep sky views.
  • Experience superior contrast with this Baader Planetarium filter, ideal for planetary detail.
  • Achieve exceptional light pollution rejection using this specialized H-alpha telescope filter.
  • This high-quality, dielectrically coated filter ensures optimal transmission for H-alpha imaging.
  • Designed for f/10 to f/3.5 optical systems, this filter enhances your astrophotography sessions.
  • Explore the cosmos with a 3.5nm HWB filter, revealing intricate details in celestial objects.
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Special Order?Estimated to Ship: 08/15/2025
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Review Summary

2019-05-29T16:43:43

Rated 5 out of 5

The perfect mounting cell for eclipse photographers

AstroSolar film is the standard for white light solar filters. This mounting cell has two great advantages for eclipse photographers. The wide flange shades your camera avoiding overheating. The external 3 rubber bumper attachment is easy to remove and replace quickly without disturbing your aim. This is a great advantage for totality in a total solar eclipse. Highly recommended

Robert P.

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Baader Planetarium Filter Specifications

  • Compatibility

    f/10 to f/3.5 Optical Systems

  • Transmission Range

    H-alpha

  • Filter Thickness (without Cell)

    3mm

  • HBW (Half bandwidth)

    3.5nm

  • CWL (central Wavelength)

    656.3nm

  • AR-coating

    Dielectrically coated, plane optically polished

  • Filter Size

    50x50mm

  • Visual/Imaging

    Imaging

  • Filter Usage

    CCD, Deep Sky, H-alpha

  • Filter Mounted

    Mounted (LPFC 6mm)

  • Type of Filter

    Narrowband

  • Filter Shape

    Square

  • Weight

    0.06kg (0.13lbs)

About Baader Planetarium Filter

FEATURED REVIEWS

The perfect mounting cell for eclipse photographers

By Robert P.

AstroSolar film is the standard for white light solar filters. This mounting cell has two great advantages for eclipse photographers. The wide flange shades your camera avoiding overheating. The external 3 rubber bumper attachment is easy to remove and replace quickly without disturbing your aim. This is a great advantage for totality in a total solar eclipse. Highly recommended

Experience the unparalleled clarity and detail with our 50x50mm Square H-alpha Enforced-Narrowband 3.5nm Filter, specifically designed for f/10 to f/3.5 optical systems. This ultra-narrowband filter is your gateway to the intricate world of H-alpha, O-III, and S-II, allowing you to capture the faintest nebula detail with enhanced contrast.

Our filter's design is a testament to precision and quality, boasting superior coating homogeneity and high Center Wavelength Precision. These features ensure the filter's performance is consistently exceptional, providing you with the most accurate and detailed images possible.

Whether you're an astrophotographer seeking to capture the ethereal beauty of the cosmos or a professional requiring the utmost in optical precision, the 50x50mm Square H-alpha Enforced-Narrowband 3.5nm Filter is an essential tool for your optical systems. Experience the difference in clarity and detail that this high-quality, precision-engineered filter can make in your imaging.

Baader Planetarium Filter Features

  • Precision grade enforced H-alpha filter for f/10 to f/3.5 optical systems
  • Opens up the extremely narrow 3,5nm H-alpha world
  • Manufacturing such ultra-narrow filter does require extreme coating homogeneity and very high CWL precision, which these filters are designed for

Warranty Information

This product has a limited warranty of 24 months for parts and 24 months for labor.

Key Features

  • Capture stunning H-alpha images with this 50x50mm narrowband filter, perfect for deep sky views.
  • Experience superior contrast with this Baader Planetarium filter, ideal for planetary detail.
  • Achieve exceptional light pollution rejection using this specialized H-alpha telescope filter.
  • This high-quality, dielectrically coated filter ensures optimal transmission for H-alpha imaging.
  • Designed for f/10 to f/3.5 optical systems, this filter enhances your astrophotography sessions.
  • Explore the cosmos with a 3.5nm HWB filter, revealing intricate details in celestial objects.

What's in the box:

  • Baader Planetarium 50x50mm Square H-alpha Enforced-Narrowband 3.5nm Filter
  • Baader Limited 2 Years Warranty