Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

Optolong L-Ultimate Dual-3nm Filter

Introducing the Optolong L-Ultimate Dual-3nm Filter

The Optolong L-Ultimate Dual-3nm Filter is an advanced tool designed for astrophotographers seeking to capture stunning, high-contrast images of nebulae and other deep-sky objects. Available in both 2" and 1.25" sizes, this dual bandpass filter drastically reduces the impact of light pollution, allowing for clear and detailed images even in heavily light-polluted areas. The L-Ultimate isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue), blocking out unwanted light and maximizing the signal from nebulae.

Features of the Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

• Dual Bandpass Design: The filter isolates H-Alpha (656nm) and OIII (500.7nm) emission lines, blocking out other wavelengths and significantly reducing light pollution.
• Ultra-Narrow Bandwidth: Features a 3nm bandwidth for both H-Alpha and OIII, ensuring high contrast and detailed images.
• High Transmission Rates: Maximizes the transmission of the main emission lines of the nebula, enhancing image quality.
• Advanced Coating Technology: Utilizes multi-layer anti-reflection coatings and non-cementing optical substrate coatings for durability and stability.
• Optimized for Halo Performance: Reduced halo effects when imaging bright stars, ensuring clearer and sharper images.
• High-Quality Construction: Made with optical glass substrates, precision coatings, and robust filter cells for long-lasting performance.

Applications of the Optolong L-Ultimate Dual-3nm Filter

This filter is perfect for a variety of astrophotography applications:

• Deep-Sky Imaging: Capture high-contrast, detailed images of nebulae and other deep-sky objects.
• Urban Astrophotography: Effectively reduces the impact of light pollution, making it ideal for use in urban environments.
• Color and Monochrome Cameras: Compatible with DSLR, color/MONO CMOS, and CCD cameras.
• Specific Wavelength Imaging: Perfect for isolating specific emission lines for detailed and accurate astrophotography.

Benefits of Using the Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

Using the Optolong L-Ultimate Dual-3nm Filter offers numerous benefits:

• Enhanced Image Quality: Achieve high-contrast, detailed images of nebulae and other celestial objects.
• Effective Light Pollution Reduction: Blocks unwanted light pollution, improving image clarity and detail.
• Versatile Compatibility: Compatible with a range of imaging setups, including DSLR cameras and fast optical systems.
• Durable Construction: Made from high-quality materials, ensuring long-lasting performance and resistance to scratching and temperature changes.

What is the Optolong L-Ultimate Dual-3nm Filter Used For?

The Optolong L-Ultimate Dual-3nm Filter is designed to enhance the visibility and detail of celestial objects by capturing specific wavelengths of light. This makes it ideal for:

• Deep-Sky Imaging: Capturing detailed images of nebulae and other celestial objects.
• Light Pollution Reduction: Reducing the impact of light pollution for clearer and more detailed images.
• Astrophotography: Providing high-quality images with DSLR, color/MONO CMOS, and CCD cameras.
• Specific Wavelength Isolation: Optimizing imaging for H-Alpha and OIII emission lines.

Usage Instructions for the Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

Using the Optolong L-Ultimate Dual-3nm Filter is straightforward:

1. Attach the Filter: Secure the filter to the appropriate eyepiece or camera adapter of your telescope.
2. Adjust Focus: Adjust your telescope’s focus to achieve a clear view of your target object.
3. Capture Images: Begin your astrophotography session, leveraging the filter’s capabilities to enhance clarity and reduce light pollution.
4. Store Safely: After use, store the filter in its protective case to prevent damage.

Tips for Getting the Best Results with the Optolong L-Ultimate Dual-3nm Filter

To maximize the performance of your Optolong L-Ultimate Dual-3nm Filter:

• Use in Clear Skies: For optimal 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.
• Experiment with Different Objects: Try imaging various celestial objects to fully appreciate the benefits of the dual-3nm filter.

FAQ: Common Questions About the Optolong L-Ultimate Dual-3nm Filter

Q: Can I use the Optolong L-Ultimate Dual-3nm Filter with any telescope? A: The filter is optimized for use with various telescopes that accommodate 2" or 1.25" eyepieces or camera adapters.

Q: Does the filter effectively reduce light pollution? A: Yes, the filter is designed to block unwanted wavelengths of light, significantly reducing the impact of light pollution and enhancing image clarity.

Q: Is the filter suitable for both visual observation and astrophotography? A: The filter is primarily designed for astrophotography, providing high performance with DSLR, color/MONO CMOS, and CCD cameras.

Q: Can I use this filter for sun observation? A: The filter is not intended for direct solar observation. Always use appropriate solar filters and safety precautions when observing the Sun.

Q: How should I clean and store the filter? A: Clean the filter gently with a soft, lint-free cloth and store it in its protective plastic case when not in use to prevent damage.

Why Should You Buy the 2" / 1.25" Optolong L-Ultimate Dual-3nm Filter?

The Optolong L-Ultimate Dual-3nm Filter is an essential tool for astrophotographers and astronomers who want to capture stunning images of the night sky. Its ability to capture specific wavelengths of light and reduce the impact of light pollution makes it invaluable for achieving detailed and high-contrast images of nebulae and other celestial objects. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.

Specifications of the Optolong L-Ultimate Dual-3nm Filter

• Filter Size: Available in 2 inches and 1.25 inches
• Bandwidth: OIII: 3nm, H-Alpha: 3nm
• Center Wavelength: 500.7nm (OIII) & 656.3nm (H-Alpha)
• Transmission: High transmission rates for main emission lines
• Optical Quality: Multi-layer anti-reflection coating, non-cementing optical substrate coating
• Material: Optical glass
• Thickness: 1.85 ± 0.05mm
• Blocking Range: 300-1000nm, with OD4 blocking
• Surface Quality: 60/40 according to MIL-O-13830
• Surface Parallelism: 1/4λ, <30 parallelism over both surfaces
• Thread: Standard M48x0.75mm for 2-inch filters and M28.5x0.6mm for 1.25-inch filters

Package Content

When you purchase the Optolong L-Ultimate Dual-3nm Filter, you will receive:

• 1 x Optolong L-Ultimate Dual-3nm Filter (2" or 1.25"): 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 L-Ultimate Dual-3nm Filter. Order now to enjoy clear, high-contrast images of nebulae and other celestial objects, capturing the beauty of the universe in unprecedented detail. Click the link below to add this essential tool to your collection today.

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The Optolong L-Ultimate Dual-3nm Filter is a powerful tool for any astronomer or astrophotographer looking to capture high-contrast, detailed images of the night sky. With its advanced coating technology, high transmission rates, and durable construction, this filter ensures that you can achieve stunning results in a variety of imaging scenarios. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the L-Ultimate filter will help you see the universe in greater detail than ever before. Don't miss out on the opportunity to improve your stargazing and astrophotography experience. Order your Optolong L-Ultimate Dual-3nm Filter today and start capturing the cosmos with unmatched clarity and precision.