Skip to product information
1 of 11

ZWO

ZWO 2" Duo-Band Dual Narrowband Filter

ZWO 2" Duo-Band Dual Narrowband Filter

Regular price $199.00 USD
Regular price Sale price $199.00 USD
Sale Sold out

FREE SHIPPING

Model

ZWO Duo-Band Dual Narrowband Filter 2" Inch

Introducing the ZWO 2" Duo-Band Dual Narrowband Filter

The ZWO 2" Duo-Band Dual Narrowband Filter is a game-changing accessory for astrophotographers and astronomers who want to elevate their imaging capabilities. This filter is designed to complement ZWO's range of color ASI cameras, allowing users to capture stunning images of deep-sky objects with remarkable clarity and contrast. Whether you're an amateur astronomer or a seasoned professional, the ZWO Duo-Band filter provides an economical and practical solution for narrowband imaging, particularly in light-polluted urban environments.

Features of the ZWO 2" Duo-Band Narrowband Filter

The ZWO 2" Duo-Band Dual Narrowband Filter comes packed with features that make it a must-have for any serious astrophotographer:

  • Dual Narrowband Capability: Passes light at Hα (656nm) and OIII (500nm) wavelengths, enhancing the visibility of emission nebulae and other deep-sky objects.
  • High Transmission Rate: More than 90% transmission at major OIII lines (486.1nm, 496nm, and 501nm) and more than 80% at the Hα line (656.3nm).
  • Superior Optical Quality: Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over both surfaces.
  • Durable Construction: Made from aerometal material with precise CNC machining, fine sandblasting, and an anodized finish for durability and aesthetics.
  • Reflection Prevention: Features extinction treatment and multi-layer anti-reflection coatings to minimize unwanted reflections and ghosting.
  • Permanent Laser Engraving: The laser-engraved font ensures that markings will never fade, maintaining the filter’s clarity and readability over time.

Applications of the ZWO 2" Duo-Band Dual Narrowband Filter

The versatility of the ZWO 2" Duo-Band Dual Narrowband Filter makes it suitable for a variety of applications:

  • Astrophotography: Ideal for capturing high-contrast images of emission nebulae, supernova remnants, and other deep-sky objects.
  • Light Pollution Mitigation: Perfect for imaging in urban and suburban areas where light pollution can interfere with observations.
  • Astronomy Research: Useful for both amateur and professional astronomers conducting detailed studies of celestial phenomena.

Benefits of Using the ZWO 2" Duo-Band Filter

  • Enhanced Image Clarity: Achieve higher contrast and more detailed images of deep-sky objects.
  • Reduced Light Pollution Impact: The filter effectively minimizes interference from artificial light sources, making it ideal for use in light-polluted areas.
  • Cost-Effective Solution: Provides an economical entry into narrowband imaging without the need for a mono camera, filter wheel, and multiple narrowband filters.
  • Durability and Reliability: Constructed with high-quality materials to ensure long-lasting performance and consistent results.

What the ZWO Duo-Band Dual Narrowband Filter is Used For 2"

The ZWO 2" Duo-Band Dual Narrowband Filter is primarily used for capturing and observing deep-sky objects such as emission nebulae. By isolating the Hα and OIII emission lines, this filter allows 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 ZWO 2" Dual Narrowband Filter

Using the ZWO 2" Duo-Band Dual 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 deep-sky 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 and detail of deep-sky objects, providing clearer and more vibrant views.

Tips for Using the ZWO Duo-Band Dual Narrowband Filter 2"

  • 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.
  • Check Alignment: Make sure the incoming light is perpendicular to the filter for optimal performance.

Frequently Asked Questions (FAQ) About the ZWO 2" Duo-Band Dual Narrowband Filter

Q: Can this filter be used for planetary observation? A: No, the ZWO 2" Duo-Band Dual Narrowband Filter is specifically designed for deep-sky observation and astrophotography, focusing on emission nebulae and other similar objects.

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" 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 ZWO 2" Duo-Band Dual Narrowband Filter

Investing in the ZWO 2" Duo-Band Dual Narrowband Filter 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 ZWO Duo-Band Dual Narrowband Filter 2"

Using the ZWO 2" Duo-Band Dual 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 ZWO 2" Duo-Band Dual Narrowband Filter

  • Name: ZWO Duo-Band Filter
  • Size: Standard 2"
  • Thickness: 1.85 mm
  • Bandwidth: HA (15nm) OIII (35nm)
  • Surface Quality: 60/40 (Refer to MIL-O-13830)
  • Material: Schott substrate
  • Transmission: More than 90% at major OIII lines (486.1nm, 496nm, 501nm) and more than 80% at Ha line (656.3nm)
  • Construction: Aerometal material, precise CNC machining, fine sandblasting process, anodized finish

Package Content of the ZWO Duo-Band Filter 2"

  • ZWO 2" Duo-Band Dual Narrowband Filter
  • Protective Case
  • User Manual

Caution When Using the ZWO Duo-Band Dual Narrowband Filter 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 ZWO 2" Duo-Band Dual Narrowband Filter

This filter is designed for observing and photographing deep-sky objects by isolating the Hα 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 ZWO 2" Duo-Band Dual Narrowband Filter 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!

 

View full details