Optolong 2" Inch H-Alpha Filter

Optolong H-Alpha 7nm 2 Inch Filter

Introducing the Optolong H-Alpha 7nm Filter 2 Inch

The Optolong H-Alpha 7nm Filter 2 Inch is a crucial addition to the arsenal of any serious astronomer or astrophotographer. Designed to isolate the H-alpha emission line at 656nm, this filter significantly improves the contrast and detail of nebulae and other deep-sky objects. Whether you are capturing wide-field images of the night sky or focusing on specific celestial bodies, this filter ensures superior performance by cutting out unwanted light pollution and emphasizing the H-alpha spectral line.

Features of the Optolong H-Alpha 7nm Filter 2 Inch

The Optolong H-Alpha 7nm Filter 2 Inch boasts a host of advanced features tailored to meet the needs of dedicated astronomers:

• High-Precision Double-Sided Polishing: This ensures that the filter does not degrade the quality of your images, maintaining sharpness and clarity.
• Precision Optical Coating: The filter uses non-two-piece glue and precision double-sided optical coating to enhance transmittance and cut-off depth.
• Electron Gun Evaporation Technology: Ensures a durable and uniform coating that withstands the test of time and varying environmental conditions.
• Ion Source Assisted Coating Technology (IAD): Improves film density and minimizes wavelength drift caused by temperature fluctuations.
• High Uniformity Planetary Wheel Coating Fixture: Ensures consistent wavelength performance across the entire filter.
• Optical Equipment Professional Treatment: Fine sandblasting and anode treatment on the metal frame prevent reflection and ensure longevity.
• Laser Engraved Logo: The logo is laser-engraved to ensure it never fades.
• High-Quality Materials: The frame is made from superior aviation aluminum and the filter glass is high-quality Germany Schott glass, ensuring durability and excellent optical performance.
• Effective Light Cutoff: Cuts off artificial light from Na and Hg lamps, enhancing the visibility of nebulae.
• 85%+ Transmittance: Ensures more than 85% transmittance at the 656nm emission line, providing excellent detail in your images.

Applications of the Optolong H-Alpha 7nm Filter 2 Inch

This filter is highly versatile and suitable for a wide range of astronomical applications:

• Deep-Sky Astrophotography: Ideal for capturing detailed images of emission nebulae and other deep-sky objects.
• Wide-Field Astrophotography: Perfect for wide-field images of the night sky, highlighting nebulae and reducing light pollution.
• Scientific Research: Useful for professional astronomers and researchers requiring precise and reliable optical performance.

Benefits of Using the Optolong H-Alpha 7nm Filter 2 Inch

The benefits of incorporating the Optolong H-Alpha 7nm Filter into your astronomical setup are numerous:

• Improved Image Quality: The filter ensures sharp, high-contrast images by isolating the H-alpha emission line.
• Reduced Light Pollution: Effectively cuts through light pollution, making it possible to observe and photograph nebulae even in urban areas.
• Durable Construction: High-quality materials and advanced manufacturing techniques ensure the filter's longevity and reliable performance.
• Versatility: Suitable for both visual observation and astrophotography, making it a valuable tool for various astronomical activities.

What is the Optolong H-Alpha 7nm Filter 2 Inch Used For?

This filter is designed to improve the visibility and detail of celestial objects, particularly emission nebulae. By isolating the H-alpha spectral line, it enhances the contrast and detail of these objects against the night sky, making them more visible through your telescope.

Usage Instructions for the Optolong H-Alpha 7nm Filter 2 Inch

Using the Optolong H-Alpha 7nm Filter is straightforward and user-friendly. Here’s a step-by-step guide:

1. Attach the Filter: Secure the filter to the 2-inch eyepiece of your telescope.
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. Proper Storage: After use, store the filter in its protective plastic case to prevent damage and contamination.

Tips for Getting the Best Results with the Optolong H-Alpha 7nm Filter 2 Inch

To maximize the performance of your Optolong H-Alpha 7nm Filter:

• Use in Optimal Conditions: Use the filter under clear and dark skies for the best results.
• Combine with Other Filters: Consider using other narrowband filters like SII and OIII for multi-wavelength imaging.
• Regular Maintenance: Clean your filter and telescope lenses regularly to ensure the highest image quality.

Q&A: Common Questions About the Optolong H-Alpha 7nm Filter 2 Inch

Q: Is the Optolong H-Alpha 7nm Filter compatible with all telescopes? A: The filter is compatible with any telescope that uses 2-inch eyepieces.

Q: Can this filter reduce light pollution effectively? A: Yes, the filter significantly reduces the impact of light pollution, making it ideal for urban observations.

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.

Why Should You Buy the Optolong H-Alpha 7nm Filter 2 Inch?

The Optolong H-Alpha 7nm Filter 2 Inch is an essential tool for anyone serious about astronomy and astrophotography. Its ability to isolate the H-alpha emission line and reduce light pollution makes it invaluable for capturing detailed images of nebulae and other deep-sky objects. With its high-quality construction and advanced features, this filter will elevate your stargazing and imaging experience to a new level.

Specifications of the Optolong H-Alpha 7nm Filter 2 Inch

• Filter Size: 2 inches
• Bandwidth: 7nm
• Transmission: Over 85% at 656nm
• Surface Quality: High-precision double-sided polishing
• Coating Technology: Electron Gun Evaporation, Ion Source Assisted Coating (IAD)
• Material: Germany Schott glass, aviation aluminum frame
• Thread: M48*0.75
• Case: Plastic case with high-pressure EVA material

Package Content

When you purchase the Optolong H-Alpha 7nm Filter 2 Inch, you will receive:

• 1 x Optolong H-Alpha 7nm Filter 2 Inch: The main component, designed to enhance your astronomical observations.
• 1 x Plastic Storage Box: Made from durable PP material to protect your filter when not in use.

Order Now

Take your astronomical observations and astrophotography to new heights with the Optolong H-Alpha 7nm Filter 2 Inch. Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of deep-sky objects with unprecedented detail. Click the link below to add this essential tool to your collection today.