Optolong L-Pro Light Pollution Broadband Filter 2"

Optolong L-Pro Light Pollution Broadband Filter 2" Inch

Introducing the Optolong L-Pro Light Pollution Broadband Filter 2"

The Optolong L-Pro Light Pollution Broadband Filter 2" is a high-performance filter designed for serious astrophotographers and astronomers who want to capture stunning images of the night sky despite the challenges posed by light pollution. This filter selectively reduces the transmission of wavelengths from common light pollutants, allowing you to see and photograph deep-sky objects with greater clarity and detail. Whether you use a CCD or DSLR camera, the Optolong L-Pro filter enhances the visibility of celestial bodies, making it an essential tool for wide-field and deep-sky astrophotography.

Features of the Optolong L-Pro Light Pollution Broadband Filter 2"

The Optolong L-Pro Light Pollution Broadband Filter 2" boasts several features that make it a must-have for astrophotography enthusiasts:

• High Transmission Rate: Achieves very high transmission (~90%) at major nebula emission lines, including OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm), and SII (672nm).
• Multi-Bandpass Design: Provides better color balance by maximizing the transmission band, making it ideal for capturing broadband emission objects such as galaxies, reflection nebulae, and globular star clusters.
• Precision Off-Band Blocking: Effectively blocks major emission lines of artificial light pollution, including Na (589nm), Hg (435nm and 578nm), and other unwanted natural light.
• Durable Construction: Made with superior aviation aluminum and sophisticated CNC molding, ensuring longevity and resistance to wear.
• Fine-Optically Polished: Ensures accurate λ/4 wavefront and <30 seconds parallelism over both surfaces for superior optical quality.
• Multi-Layer Anti-Reflection Coating: Enhances light transmission and reduces reflections for optimal image quality.
• Standard 2" Mount: Fits all standard 2" eyepiece holders, making it compatible with a wide range of telescopes.

Applications of the Optolong L-Pro Light Pollution Filter 2"

The Optolong L-Pro Light Pollution Broadband Filter 2" is highly versatile and can be used for various astrophotography applications:

• Deep-Sky Imaging: Perfect for capturing detailed images of emission nebulae, reflection nebulae, planetary nebulae, and supernova remnants.
• Wide-Field Astrophotography: Ideal for photographing the Milky Way and other wide-field targets, providing stunning results with enhanced contrast and detail.
• Urban and Suburban Environments: Designed to combat the effects of light pollution from city and suburban areas, making it easier to capture clear and detailed images of celestial objects.

Benefits of Using the Optolong L-Pro Filter 2"

• Enhanced Image Quality: Achieve higher contrast and more detailed images of deep-sky objects, even in light-polluted environments.
• Reduced Light Pollution Impact: Effectively reduces the impact of artificial light pollution, allowing for clearer observations and imaging.
• Better Color Balance: The multi-bandpass design provides better color balance, making it ideal for capturing broadband emission objects.
• Durable and Reliable: Built with high-quality materials to ensure longevity and consistent performance.
• Versatile Use: Suitable for a wide range of astrophotography applications, making it a valuable addition to your toolkit.

What the Optolong L-Pro Light Pollution Broadband Filter 2" is Used For

The Optolong L-Pro Light Pollution Broadband Filter 2" is primarily used for capturing and enhancing images of deep-sky objects such as nebulae, galaxies, and star clusters. By selectively blocking the wavelengths of common light pollutants, it enables astrophotographers to obtain clearer and more detailed images, even in urban and suburban environments.

How to Use the Optolong L-Pro Light Pollution Broadband Filter 2"

Using the Optolong L-Pro Light Pollution Broadband Filter is straightforward and effective:

1. Attach the Filter: Screw the filter into the eyepiece or camera adapter of your telescope.
2. Align Your Telescope: Point your telescope at the celestial object you wish to observe or photograph.
3. Adjust Camera Settings: For astrophotography, adjust your camera settings to accommodate the filter, ensuring proper exposure times.
4. Observe and Capture: Begin your observations or start capturing images. The filter will enhance the visibility and detail of the celestial object, providing clearer and more vibrant views.

Tips for Using the Optolong L-Pro Light Pollution Broadband Filter 2"

• Optimal Setup: Ensure your telescope and camera are properly aligned and calibrated before using the filter to maximize its effectiveness.
• Light Pollution Considerations: While the filter is designed to suppress light pollution, choosing observing sites with minimal artificial light interference will yield the best results.
• Temperature Adjustments: Allow your equipment to reach ambient temperature before starting your imaging session, as temperature variations can affect the filter’s performance.
• Regular Maintenance: Clean the filter using appropriate lens cleaning solutions and cloths to maintain its optical clarity and performance.

Frequently Asked Questions (FAQ) About the Optolong L-Pro Light Pollution Broadband Filter 2"

Q: Can the Optolong L-Pro Filter be used for visual observation? A: Yes, the filter is suitable for both visual observation and astrophotography, making it a versatile tool for astronomers.

Q: How does the filter perform in heavily light-polluted areas? A: The Optolong L-Pro Filter is highly effective in suppressing light pollution, making it suitable for use in heavily light-polluted areas. It isolates emission lines from background light pollution, enhancing the visibility of celestial objects.

Q: Is the filter compatible with all types of telescopes? A: The filter is designed to be compatible with a wide range of telescopes that use a 2" mounting system. This includes refractors, reflectors, and compound telescopes.

Why Should You Buy the Optolong L-Pro Light Pollution Broadband Filter 2"

Investing in the Optolong L-Pro Light Pollution Broadband Filter 2" means achieving professional-grade astrophotography results. Its superior construction, light pollution suppression capabilities, and compatibility with a wide range of equipment make it an invaluable tool for capturing the beauty of the night sky in vivid detail.

Popular Targets with the Optolong L-Pro Light Pollution Broadband Filter 2"

The Optolong L-Pro Filter is perfect for capturing a variety of celestial objects:

• Nebulae: Achieve stunning images of emission and reflection nebulae with enhanced color and detail.
• Galaxies: Capture the intricate details and structures of distant galaxies with high contrast and clarity.
• Star Clusters: Bring out the beauty of star clusters, highlighting their color and structure against the backdrop of space.
• Milky Way: Capture the grandeur of the Milky Way in both Summer and Winter, showcasing its intricate structure and colors.

Specifications of the 2" Optolong L-Pro Light Pollution Broadband Filter

• Substrate: Optical glass (B270)
• Thickness: 1.85mm
• FWHM: Multi-bandpass filter
• Blocking Range: 300-1000nm
• Blocking Depth: Light pollution line blocking >99%
• Surface Quality: 60/40
• Transmitted Wavefront RMS: λ/4
• Parallelism: 30s
• Size: 2" Inch

Coating Technology

• Multi-Layers Anti-Reflection Coating: Enhances light transmission for optimal image quality.
• Non-Cementing Optical Substrate Coating: Ensures durability and resistance to scratching.
• Ion-Assisted Deposition Coating Technology: Precision coating for stability on CWL, unaffected by temperature changes.
• Planetary Rotation System: Offers precision and homogeneity of coatings, ensuring high value on transmission of pass-band and optical density of off-band.

Package Content of the Optolong L-Pro Light Pollution Broadband 2" Filter

• Optolong 2" L-Pro Light Pollution Broadband Filter
• Protective Case
• User Manual

Caution When Using the Optolong L-Pro Light Pollution Broadband Filter

• Handle with Care: The filter is made of high-quality glass that can be damaged if dropped or mishandled.
• Avoid Direct Sunlight: Never use the filter to observe the sun or bright light sources, as this can damage your eyes and the filter.
• Proper Storage: Keep the filter in its protective case when not in use to prevent scratches and dust accumulation.

Important Note on the Optolong L-Pro Light Pollution Broadband Filter 2"

This filter is designed for imaging and is not suitable for visual observation. It is specifically crafted to improve deep-sky imaging by isolating key emission lines and reducing light pollution. For best results, use this filter with a camera setup that is sensitive to the wavelengths it isolates.

Order Now

The Optolong L-Pro Light Pollution Broadband Filter 2" is an essential tool for anyone serious about astronomical observation and astrophotography. Its ability to isolate specific wavelengths and reduce light pollution impact makes it invaluable for capturing stunning images of deep-sky objects. Don't miss the opportunity to add this high-quality filter to your astronomical toolkit. Order now and take your astrophotography to new heights!