Askar Duo-Band Narrowband Filter 2" / 1.25"

Askar Duo-Band Narrowband Filter 2" / 1.25" Inch

Introducing the Askar Duo-Band Narrowband Filter

The Askar Duo-Band Narrowband Filter 2" / 1.25" is a revolutionary accessory for astrophotographers seeking to capture the intricate beauty of deep-sky objects. Designed with two passbands, this filter isolates the H-alpha and OIII emission lines, making it an excellent choice for imaging emission nebulae, planetary nebulae, and supernova remnants. The Askar Duo-Band filter provides a cost-effective and efficient solution for astrophotography enthusiasts, eliminating the need for a filter wheel and multiple narrowband filters. It is compatible with both 2" and 1.25" fittings, ensuring versatility and ease of use with a variety of telescopes and cameras.

Features of the Askar Duo-Band Filter 2" / 1.25"

The Askar Duo-Band Narrowband Filter 2" / 1.25" boasts several high-quality features that make it an indispensable tool for astrophotographers:

• Dual Narrowband Capability: Allows light at H-alpha (656.3nm) and OIII (495nm) wavelengths to pass through, enhancing the visibility of nebulae and supernova remnants.
• High Transmission Rate: Offers more than 95% transmission at the key wavelengths, ensuring bright and clear images.
• Optical Quality: Finely polished to ensure accurate wavefront and minimal distortions.
• Effective Light Pollution Reduction: Blocks unwanted artificial light from sources like sodium and mercury vapor lamps, as well as natural skyglow.
• Durable Construction: Built with high-quality materials for longevity and reliable performance.
• Versatile Compatibility: Available in both 2" and 1.25" sizes, making it compatible with a wide range of telescopes and cameras.

Applications of the Askar Duo-Band Filter

The Askar Duo-Band Narrowband Filter is ideal for various astrophotography applications:

• Deep-Sky Imaging: Perfect for capturing detailed images of emission nebulae, planetary nebulae, and supernova remnants.
• Astrophotography in Light-Polluted Areas: Designed to mitigate the effects of light pollution, making it suitable for urban and suburban environments.
• Professional and Amateur Astronomy: Suitable for both professional astronomers and hobbyists looking to improve their imaging capabilities.

Benefits of Using the Askar Duo-Band Narrowband Filter 2" / 1.25"

• Improved Image Clarity: Achieve higher contrast and more detailed images of deep-sky objects.
• Light Pollution Mitigation: Reduces the impact of artificial and natural light pollution, making it easier to observe and photograph celestial objects.
• Cost-Effective Solution: Provides an economical entry into narrowband imaging without the need for additional equipment.
• Reliable and Durable: Built with high-quality materials to ensure longevity and consistent performance.
• Versatile Use: Suitable for both visual observations and astrophotography, making it a versatile addition to any astronomer’s toolkit.

What the Askar Duo-Band Narrowband Filter 2" / 1.25" is Used For

The Askar Duo-Band Narrowband Filter is primarily used for capturing and observing emission nebulae, planetary nebulae, and supernova remnants. By isolating the H-alpha and OIII emission lines, this filter enables astronomers and astrophotographers to see and photograph structures within nebulae that are often obscured by other wavelengths of light. This makes it an invaluable tool for anyone conducting detailed studies of these celestial phenomena.

How to Use the Askar Duo-Band Filter

Using the Askar Duo-Band Narrowband Filter is straightforward and effective:

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

Tips for Using the Askar Duo-Band Filter 2" / 1.25"

• Optimal Conditions: Use the filter in darker skies whenever possible for the best results.
• Stable Equipment: Ensure your telescope is on a stable mount to avoid vibrations that can affect image quality.
• Proper Care: Store the filter in a protective case to prevent scratches and damage when not in use.
• Experiment with Settings: Try different exposure times and ISO settings to find the optimal configuration for your specific setup and observing conditions.

Frequently Asked Questions (FAQ) About the Askar Duo-Band Narrowband Filter

Q: Can this filter be used for planetary observation? A: No, the Askar Duo-Band Narrowband Filter is specifically designed for deep-sky observation and astrophotography, focusing on emission nebulae, planetary nebulae, and supernova remnants.

Q: Does the filter work well in heavily light-polluted areas? A: Yes, the filter is designed to significantly reduce the impact of light pollution, making it ideal for use in urban and suburban areas.

Q: What telescopes are compatible with this filter? A: The filter is compatible with any telescope that accepts 2" or 1.25" filters.

Q: Can I use this filter for visual observations? A: While primarily designed for astrophotography, this filter can also be used for visual observations of deep-sky objects.

Q: How do I clean the filter? A: Clean the filter using a soft, lint-free cloth and an appropriate lens cleaning solution. Avoid harsh chemicals and abrasive materials.

Why Should You Buy the Askar Duo-Band Narrowband Filter

Investing in the Askar Duo-Band Narrowband Filter 2" / 1.25" is a smart choice for any serious astronomer or astrophotographer. Its ability to isolate specific wavelengths of light and reduce the impact of light pollution makes it an essential tool for capturing stunning images of deep-sky objects. The filter's high transmission rate and fine-optical polishing ensure superior performance, providing clear and detailed views of the night sky.

Popular Targets with the Askar Duo-Band Narrowband Filter

Using the Askar Duo-Band Narrowband Filter, you can observe and photograph a variety of popular celestial objects:

• The Orion Nebula (M42): One of the most famous nebulae, offering stunning details and vibrant colors.
• The Helix Nebula (NGC 7293): Known for its eye-like appearance, this nebula reveals intricate structures with the filter.
• The Veil Nebula: A supernova remnant that shows delicate and complex filaments.
• The Lagoon Nebula (M8): A massive star-forming region that displays beautiful details with the Duo-Band filter.
• The Eagle Nebula (M16): Famous for the "Pillars of Creation," this nebula offers breathtaking views.

Specifications of the Askar Duo-Band Narrowband Filter 

• Name: Askar Duo-Band Narrowband Filter
• Size: 2" / 1.25"
• Bandwidth: H-alpha (15nm) and OIII (35nm)
• Transmission Rate: More than 95% at H-alpha (656.3nm) and OIII (495nm)
• Blocking Range: 200-1100nm with OD3 (0.1%) blocking
• Material: High-quality optical glass

Package Content of the Askar Duo-Band Narrowband Filter 2" / 1.25"

• Askar Duo-Band Narrowband Filter 2" / 1.25"
• Protective Case
• User Manual

Caution When Using the Askar Duo-Band Narrowband 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 Askar Duo-Band Narrowband Filter 2" / 1.25"

This filter is designed for observing and photographing nebulae and supernova remnants by isolating the H-alpha and OIII emission lines. It is not suitable for general observation of the night sky or planetary observation without proper adjustments. For best results, use this filter with a telescope and camera setup that can accurately align the incoming light to be perpendicular to the filter.

Order Now

The Askar Duo-Band Narrowband Filter 2" / 1.25" 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 elevate your astrophotography to new heights!