Optolong 2" H-Beta Filter 25nm

Optolong H-Beta 25nm Filter 2"

Introducing the Optolong 2" H-Beta Filter

For astronomers and astrophotographers dedicated to capturing the stunning beauty of nebulae, the Optolong H-Beta Filter 2" 25nm is an essential tool. This narrowband filter is specifically designed to isolate the H-beta emission line at 486nm, allowing for enhanced contrast and visibility of nebulae against the night sky. Whether you are observing the faint Horsehead Nebula or the expansive California Nebula, this filter will significantly improve your viewing experience by reducing the impact of artificial light pollution and skyglow. Built with high-quality materials and advanced coating technologies, the Optolong H-Beta Filter ensures optimal performance and durability for all your astronomical needs.

Features of the Optolong H-Beta Filter 25nm

The Optolong H-Beta Filter 2" 25nm is equipped with a range of advanced features that make it a standout choice for serious astronomers:

• High Transmission Rates: The filter allows 25nm bandwidth of light centered on the 486nm wavelength, providing bright and clear images of nebulae.
• Effective Light Pollution Blocking: Reduces the transmission of artificial light from mercury vapor and sodium vapor lights, as well as natural skyglow caused by neutral oxygen emission.
• Precision Polishing: Both surfaces of the filter are fine optically polished to 1/4 wavelength or better, ensuring superior image quality with parallelism within 30 seconds of arc.
• High-Quality Materials: Made from 2mm thick Schott B270 optical glass substrate, the filter offers excellent durability and reliability.
• Advanced Coating Technology: Features multi-layer anti-reflection coatings, non-cementing optical substrate coatings, and electron-beam gun evaporation with ion-assisted deposition for durability and scratch resistance.
• Durable Filter Cell: The filter cell is CNC machined from black anodized aerometal, providing a lightweight yet strong structure with a clear aperture of 45mm.
• Laser Engraving: The filter cell features laser engraving to prevent fading, ensuring that important information remains legible over time.
• Ultra-Thin Design: The ultra-thin filter cell minimizes vignetting and maximizes the possible clear aperture.

Applications of the Optolong 2" H-Beta Filter

This filter is ideal for a variety of astronomical applications, particularly for observing faint nebulae:

• Deep-Sky Observation: Perfect for observing faint and elusive nebulae like the Horsehead Nebula and the California Nebula.
• Astrophotography: Enhances the quality of your astrophotographs by reducing the effects of light pollution and increasing contrast.
• Urban Astronomy: Suitable for use in suburban and urban areas where light pollution is a significant issue.

Benefits of Using the Optolong H-Beta Filter 2" 25nm

Incorporating the Optolong H-Beta Filter into your astronomical setup offers numerous benefits:

• Improved Image Clarity: Achieve clearer and more detailed views of nebulae by blocking unwanted light.
• Enhanced Contrast: Increases the contrast of celestial objects, making it easier to observe fine details.
• Versatile Use: Suitable for both visual observation and astrophotography, providing excellent performance in various applications.
• Durable Construction: Made from high-quality materials and advanced manufacturing processes, ensuring long-lasting performance.
• User-Friendly: Easy to attach and use with standard 2-inch eyepieces and telescopes.

What is the Optolong H-Beta Filter 2" 25nm Used For?

The Optolong H-Beta Filter 2" 25nm is designed to improve the visibility of nebulae by selectively reducing the transmission of light pollutants. This filter blocks unwanted light from skyglow and streetlights, darkening the background sky and enhancing the contrast of nebulae, such as the Horsehead Nebula and the California Nebula. It is particularly effective for both visual observation and astrophotography, making it an essential tool for any astronomer.

Usage Instructions for the Optolong H-Beta Filter 2"

Using the Optolong H-Beta Filter is straightforward and efficient. Here’s how to get started:

1. Attach the Filter: Secure the filter to the 2-inch eyepiece or camera adapter of your telescope using the standard thread.
2. Adjust Focus: Adjust your telescope’s focus to get a clear view of your target object.
3. Observe or Photograph: Begin your observation or astrophotography session, taking advantage of the enhanced clarity and contrast provided by the filter.
4. Store Safely: After use, store the filter in its protective case to prevent damage and contamination.

Tips for Getting the Best Results with the Optolong H Beta Filter 2" 25nm

To maximize the performance of your Optolong H-Beta Filter:

• Use in Clear Skies: For best results, use the filter under clear and dark skies.
• Combine with Other Filters: Consider using other narrowband filters to capture different wavelengths of light from celestial objects.
• Regular Maintenance: Clean your filters and telescope lenses regularly to ensure the highest image quality.

Q&A: Common Questions About the Optolong H-Beta Filter 2"

Q: Can I use the Optolong H-Beta Filter with any telescope? A: Yes, the filter is compatible with any telescope that accommodates 2-inch eyepieces or camera adapters.

Q: Does the filter reduce light pollution effectively? A: Yes, the filter is designed to block unwanted light from skyglow and streetlights, significantly improving image contrast and clarity.

Q: Is the filter suitable for both visual observation and astrophotography? A: Absolutely, the filter is designed for both purposes, offering versatility and high performance for all astronomical activities.

Q: Can I use this filter for sun observation? A: No, the Optolong H-Beta filter is not designed for sun observation. Looking at the sun with this filter can cause blindness.

Why Should You Buy the Optolong H-Beta Filter 25nm?

The Optolong H-Beta Filter 2" 25nm is an essential tool for anyone serious about astronomy and astrophotography. Its ability to reduce light pollution and improve the visibility of nebulae makes it invaluable for capturing detailed images of celestial objects. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.

Specifications of the Optolong H-Beta Filter 2"

• Filter Size: 2 inches
• Transmission: 25nm bandwidth centered on the 486nm wavelength
• Blocking: Reduces transmission of artificial light from mercury vapor and sodium vapor lights, as well as natural skyglow
• Optical Quality: Multi-layer anti-reflection coating, non-cementing optical substrate coating
• Material: Optical glass lens, aluminum frame
• Surface Quality: High-quality aerometal material with CNC machining, sand blasting, and black anodized finish
• Thread: Standard M48x0.75mm
• Net Weight: 5.2g / 0.18oz

Package Content

When you purchase the Optolong H-Beta Filter 2" 25nm, you will receive:

• 1 x Optolong H-Beta Filter 2" 25nm: The main component, designed to improve your astronomical observations.
• 1 x Protective Plastic Storage Case: Made from durable PP material to protect your filter when not in use.

Order Now

Transform your astronomical observations and astrophotography with the Optolong H-Beta Filter 2" 25nm. Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of nebulae with unprecedented detail. Click the link below to add this essential tool to your collection today.

The Optolong H-Beta Filter 2" 25nm is a powerful tool for any astronomer or astrophotographer looking to reduce the effects of light pollution and improve the visibility of nebulae. With its high transmission rates, advanced coating technology, and durable construction, this filter ensures that you can capture stunning, high-contrast images of the night sky with ease. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the Optolong H-Beta filter will help you see the universe in greater detail than ever before. Don't miss out on the opportunity to enhance your stargazing and astrophotography experience. Order your Optolong H-Beta Filter 2" 25nm today and start exploring the night sky with unmatched clarity and precision.