Optolong L-Quad Enhance Filter (L-QEF) 2"

Optolong L-Quad Enhance Filter (L-QEF) 2"

Introducing the Optolong L-Quad Enhance Filter (L-QEF) 2"

The Optolong L-Quad Enhance Filter (L-QEF) 2" is a state-of-the-art quad bandpass light pollution suppression filter designed specifically for astrophotography with color cameras. This advanced filter is engineered to significantly reduce the impact of light pollution, allowing you to capture stunning, high-contrast images of celestial objects with enhanced detail and clarity. Whether you are a seasoned astrophotographer or a beginner, the Optolong L-QEF is an indispensable tool for achieving professional-grade results.

Features of the Optolong L-Quad Enhance Filter (L-QEF)

The Optolong L-Quad Enhance Filter is packed with features that make it a top choice for astrophotographers:

• Quad Bandpass Design: Isolates key emission lines (H-Beta, OIII, H-Alpha, SII) for improved color balance and detail in nebulae, galaxies, and other deep-sky objects.
• Light Pollution Suppression: Cuts out unwanted light pollution from mercury and sodium lamps, providing a clean and broadband image with minimal color cast.
• High Transmission Rate: Over 90% transmittance of nebula emission lines, ensuring bright and clear images.
• Signal-to-Noise Ratio (SNR): Enhanced SNR for clearer and more detailed astrophotographs.
• Near Infrared Cut-Off: Reduces the effects of infrared noise with a cut-off up to 1000nm, contributing to cleaner, more precise shots.
• Durable Construction: Made from optical glass with multi-layer anti-reflection coating and ion-assisted deposition technology for enhanced durability and performance.
• Standard 2" Mount: Fits all standard 2" eyepiece holders, ensuring compatibility with a wide range of telescopes.

Applications of the Optolong L-Quad Enhance Filter (L-QEF) 2"

The versatility of the Optolong L-Quad Enhance Filter makes it suitable for various astrophotography applications:

• Deep-Sky Imaging: Ideal for capturing detailed images of nebulae, galaxies, and star clusters.
• Wide-Field Astrophotography: Perfect for photographing the Milky Way and other wide-field targets.
• Light-Polluted Environments: Effective in urban and suburban areas with significant light pollution.
• Daytime and Low Horizon Imaging: Enhances image quality during daylight or when celestial objects are low on the horizon.

Benefits of Using the Optolong L-Quad Enhance Filter (L-QEF)

• Enhanced Image Quality: Achieve higher contrast and more detailed images of deep-sky objects.
• Reduced Light Pollution Impact: Effectively reduces the impact of artificial light pollution, allowing for clearer observations and imaging.
• Improved Signal-to-Noise Ratio: Ensures your astrophotographs are clear and detailed, even in less-than-ideal conditions.
• 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 versatile addition to your toolkit.

What the Optolong L-Quad Enhance Filter (L-QEF) 2" is Used For

The Optolong L-Quad Enhance Filter is primarily used for capturing and enhancing images of deep-sky objects such as nebulae, galaxies, and star clusters. By isolating key emission lines and reducing light pollution, it enables astrophotographers to obtain clearer and more detailed images, even in urban and suburban environments.

How to Use the Optolong L-Quad Enhance Filter (L-QEF)

Using the Optolong L-Quad Enhance 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-Quad Enhance Filter (L-QEF) 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-Quad Enhance Filter (L-QEF)

Q: Can the Optolong L-Quad Enhance Filter be used for visual observation? A: The filter is primarily designed for imaging with color cameras. While it can be used for visual observation, its main benefits are realized in astrophotography.

Q: How does the filter perform in heavily light-polluted areas? A: The Optolong L-Quad Enhance 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 2" Optolong L-Quad Enhance Filter (L-QEF)

Investing in the Optolong L-Quad Enhance Filter (L-QEF) 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 2" L-Quad Enhance Filter (L-QEF)

The Optolong L-Quad Enhance 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 Optolong L-Quad Enhance Filter (L-QEF) 2"

• Substrate: Optical glass
• Thickness: 1.85mm
• FWHM: Quad bandpass filter
• Blocking Range: 300-1000nm
• Blocking Depth: OD2-OD4
• 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-Quad Enhance 2" Filter (L-QEF)

• Optolong 2" L-Quad Enhance Filter
• Protective Case
• User Manual

Caution When Using the Optolong L-Quad Enhance Filter (L-QEF) 2"

• 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-Quad Enhance Filter (L-QEF)

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-Quad Enhance Filter (L-QEF) 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!