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Astrophotography Lens

H-Alpha Filter 48mm Astrophotography

H-Alpha Filter 48mm Astrophotography

Regular price $119.00 USD
Regular price Sale price $119.00 USD
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Hydrogen-Alpha (Ha Filter) for 48mm Camera Lens

Uncover Cosmic Beauty with Precision: H-Alpha Filter 48mm for Astrophotography

Astrophotography is a fascinating endeavor that demands precision tools to accurately capture the marvels of the night sky. The H-Alpha Filter 48mm is specifically designed for astrophotographers looking to improve their captures of celestial phenomena, particularly focusing on nebulae and other hydrogen-rich objects. This guide explores the transformative impact of using the H-Alpha Filter 48mm in your astrophotography pursuits.

Key Features:

  1. Astrophotography Precision:
    • The H-Alpha Filter 48mm is engineered to capture the specific H-Alpha emission line at 656nm, allowing you to unveil the delicate details of the night sky with unmatched precision.
  2. Ultra-Narrow Bandwidth:
    • With an ultra-narrow 20nm bandwidth, this filter isolates the H-Alpha wavelength, minimizing light pollution and maximizing contrast in your astro-images. Dive into the cosmic tapestry with unparalleled clarity.
  3. Compact 48mm Size:
    • Perfectly sized at 48mm, this H-Alpha Emission Filter ensures compatibility with a variety of camera lenses and telescopes. The included frame adds stability to your setup, letting you concentrate on capturing awe-inspiring astro-imagery.
  4. Professional-Grade Construction:
    • Crafted with precision optics, the H-Alpha Filter 48mm delivers professional-grade quality. Whether capturing solar prominences or distant nebulae, this filter ensures exceptional clarity and detail.

Applications of the H-Alpha Filter 48mm

This filter is indispensable for:

  • Deep-Sky Astrophotography: Enhancing the visibility of faint nebulae and other celestial bodies by focusing on the hydrogen-alpha emission.
  • Detailed Observations: Capturing fine details of ionized hydrogen regions within the galaxy, which are often obscured in wider spectral images.
  • Urban Astrophotography: Cutting through light pollution in city environments, allowing clearer views of the cosmos even from light-polluted areas.

Benefits of Using the H-Alpha Filter 48mm

Utilizing the H-Alpha Filter 48mm in your astrophotography setup can significantly improve the quality of your observations:

  • Improved Contrast: By isolating specific wavelengths, it enhances the contrast between celestial objects and the background sky, making details pop.
  • Reduction of Light Pollution: Its narrow bandwidth minimizes the effects of urban light pollution, enabling clearer images from less-than-ideal locations.
  • Versatile Compatibility: Suitable for a variety of setups, ensuring that you can integrate it seamlessly with your existing equipment.

Hydrogen Alpha Filter 48mm

Hydrogen Alpha Filter 48mm

Usage Guidelines for the H-Alpha Filter 48mm

To maximize the effectiveness of the H-Alpha Filter 48mm, follow these usage guidelines:

  1. Alignment: Ensure the filter is correctly aligned with your camera or telescope’s lens to prevent vignetting and optimize image quality.
  2. Focus Adjustments: Due to the narrow bandwidth, slight adjustments to your focus may be necessary to accommodate the specific wavelength focus.
  3. Exposure Settings: Experiment with different exposure times to capture the best detail, as the filter may require longer exposures than unfiltered photography.

Tips for Getting the Most Out of Your H-Alpha Filter 48mm

  • Test Different Settings: Spend time testing various settings to see how they affect your images. Each setup might require slight tweaks for optimal performance.
  • Regular Cleaning: Keep the filter clean from dust and smudges to maintain the highest image quality.
  • Use in Combination: For even better results, combine the H-Alpha Filter with other filters like O-III or S-II to enhance different aspects of the night sky.


  • Can I use the H-Alpha Filter 48mm with any camera? Yes, as long as the camera can be equipped with a 48mm threaded filter or you have the appropriate adapter.
  • What’s the main advantage of using an H-Alpha filter? It allows for clearer and more detailed captures of hydrogen-alpha emissions, which are key in astrophotography for observing certain types of nebulae and solar phenomena.

More Q&A for the H-Alpha Filter 48mm

Q: How does the H-Alpha Filter 48mm improve image quality in astrophotography?

  • A: The H-Alpha Filter specifically targets the hydrogen-alpha wavelength (656nm), which is significant in capturing the vivid red colors of emission nebulae and other astronomical phenomena. By isolating this wavelength, it enhances the contrast and clarity of these features against the background sky, making them stand out more distinctly.

Q: Is the H-Alpha Filter 48mm suitable for beginner astrophotographers?

  • A: Absolutely! While it offers the precision that professional photographers look for, it is also a great tool for beginners who wish to focus on specific aspects of the night sky. The filter simplifies finding and photographing nebulae and other hydrogen-rich objects, making it an educational and rewarding addition to any beginner’s toolkit.

Q: Can the H-Alpha Filter 48mm be used during the day for solar photography?

  • A: No, the H-Alpha Filter 48mm is not designed for solar photography as it does not have the necessary protection to safely observe or photograph the sun. Specialized solar filters are required to photograph the sun safely to protect both your eyes and camera equipment.

Q: Will using the H-Alpha Filter 48mm require additional editing or post-processing of images?

  • A: While the filter itself produces significantly clearer and more contrasted images of specific astronomical features, some post-processing can further enhance these images. Adjusting levels, contrast, and sharpness can help bring out even more detail captured with the H-Alpha filter.

Q: How durable is the H-Alpha Filter 48mm? Can it withstand regular outdoor use?

  • A: The filter is built with high-quality, durable materials designed to withstand the rigors of outdoor astrophotography. The frame is robust, helping to protect the filter from typical wear and tear, although it’s always recommended to handle optical components with care.

Q: Is there a recommended type of telescope or camera that works best with the H-Alpha Filter 48mm?

  • A: The H-Alpha Filter 48mm is versatile and compatible with any telescope or camera that can accommodate a 48mm threaded filter. For best results, use it with a telescope or lens that offers a good balance between focal length and aperture to capture detailed, wide-field images of the sky.

Q: What are the main celestial targets to photograph using the H-Alpha Filter 48mm?

  • A: The filter excels in capturing emission nebulae, which are rich in ionized hydrogen. It's particularly effective for photographing objects like the Orion Nebula, the Rosette Nebula, and the North America Nebula, where its capabilities can be fully appreciated in highlighting the intricate structures and vibrant emissions of these celestial bodies.

Q: How should the H-Alpha Filter 48mm be stored when not in use?

  • A: To maintain the filter’s optical quality, store it in a dry, dust-free environment. The included protective carrying case is ideal for storage, providing both protection against physical damage and a barrier against dust and moisture.

Why Should You Buy the H-Alpha Filter 48mm?

If you're serious about astrophotography and wish to improve your ability to capture stunning celestial images, the H-Alpha Filter 48mm is an essential tool. Its design and features enable you to observe and photograph the universe in ways that would otherwise be obscured by natural and artificial light interference.


  • Wavelength: 656nm
  • Bandwidth: 20nm
  • Available Sizes: Multiple, including 48mm
  • Frame: Included for enhanced stability

Package Content

Each purchase of the H-Alpha Filter 48mm includes:

  • 1 x H-Alpha Filter 48mm
  • 1 x Protective Carrying Case

Order Now

Transform your approach to astrophotography and start capturing the night sky with remarkable clarity and detail. Order the H-Alpha Filter 48mm today and begin your journey toward capturing the universe's most awe-inspiring sights.

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48mm Lens Filter