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Baader Planetarium 50x50mm Square H-alpha 3.5nm CCD Filter for f/10 to f/2.8 Optical Systems

SKU: AA2458379R MFR: FHAL-SQ50
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Key Features

  • Capture stunning H-alpha images with this Baader 50x50mm narrowband CCD filter.
  • Achieve high transmission rates at 656.3nm for detailed astronomical imaging.
  • Optimized for f/10 to f/2.8 optical systems, this H-alpha filter enhances contrast.
  • The 3.5nm half bandwidth isolates the H-alpha line for superior image clarity.
  • This square, unmounted filter is dielectrically coated and plane optically polished.
  • Durable build ensures long-lasting performance for all your astrophotography needs.
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Special Order?Estimated to Ship: 09/09/2025
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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/2.8 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

    H-alpha, Interline-CCD, IR-Cut

  • Filter Mounted

    Unmounted

  • Type of Filter

    Narrowband

  • Filter Shape

    Square

  • Weight

    0.07kg (0.15lbs)

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

It is a top-tier 50x50mm Square H-alpha 3.5nm CCD Filter, expertly crafted by the renowned brand, Baader Planetarium. This premium-grade filter is specifically designed for fast optical systems ranging from f/10 to f/2.8, making it an ideal choice for astrophotography enthusiasts. The filter features an advanced H-alpha interline chip, which significantly enhances the brightness and vibrancy of celestial images.

Incorporating an IR-blocking feature, this filter ensures that your astrophotography is free from infrared interference, delivering clear and sharp images of the night sky. Moreover, it boasts a unique design that effectively eliminates common optical issues such as halos, reflections, and ghosting. This ensures that every captured image is as true-to-life as possible, enhancing your overall astrophotography experience.

The filter also comes with non-ageing sealed coating edges, ensuring its durability and longevity. This feature protects the filter from wear and tear, allowing it to maintain its high performance over time. Whether you're a professional astronomer or an amateur stargazer, this 50x50mm Square H-alpha 3.5nm CCD Filter is a must-have tool for capturing the beauty of the cosmos.

Baader Planetarium Filter Features

  • Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8
  • IR-blocked
  • No halos, No reflections, No ghosting
  • Non-aging sealed coating edges

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 Baader 50x50mm narrowband CCD filter.
  • Achieve high transmission rates at 656.3nm for detailed astronomical imaging.
  • Optimized for f/10 to f/2.8 optical systems, this H-alpha filter enhances contrast.
  • The 3.5nm half bandwidth isolates the H-alpha line for superior image clarity.
  • This square, unmounted filter is dielectrically coated and plane optically polished.
  • Durable build ensures long-lasting performance for all your astrophotography needs.

What's in the box:

  • Baader 50x50mm Square H-alpha 3.5nm CCD Filter for f/10 to f/2.8 Optical Systems
  • Baader Limited 2 Years Warranty