ZWO
ZWO 2" SII Filter 7nm
ZWO 2" SII Filter 7nm
FREE SHIPPING
Couldn't load pickup availability
ZWO 2" Narrowband SII Filter
Introducing the ZWO 2" Narrowband SII Filter 7nm
The ZWO 2" Narrowband SII Filter 7nm is a top-tier optical accessory designed for astrophotographers and astronomers who aim to capture the intricate beauty of the night sky. This narrowband filter is specifically crafted to isolate the SII (Sulfur II) emission line, making it possible to photograph stunning celestial objects even under light-polluted skies. With a precise 7nm bandwidth, this filter ensures that you can observe and capture nebulae in exceptional detail and contrast.
Features of the ZWO 2" Narrowband SII Filter
The ZWO 2" Narrowband SII Filter 7nm offers several exceptional features that make it indispensable for astrophotography:
- 7nm Bandpass: Allows light at a 672nm wavelength to pass through, providing high contrast and detailed views.
- High Transmission Rate: Approximately 90% transmission at the SII line (672nm), ensuring clear and bright images of nebulae.
- Optical Quality: Finely polished to maintain an accurate 1/4 wavefront over both surfaces, ensuring top performance.
- Infrared Cut-Off: Blocks infrared wavelengths from 700-1100nm, allowing only the desired wavelengths to pass through.
- Durability: Constructed with premium materials to ensure longevity and reliable performance.
Applications of the ZWO 2" Narrowband SII Filter 7nm
This filter is versatile and ideal for various astronomical applications:
- Nebula Imaging: Perfect for capturing detailed and high-contrast images of emission nebulae.
- Astrophotography: Essential for taking stunning astrophotographs that highlight the intricate structures of celestial objects.
- Light Pollution Reduction: Ideal for use in urban and suburban areas where light pollution can interfere with observations and imaging.
- Professional and Amateur Astronomy: Suitable for both professional astronomers and dedicated hobbyists who want to improve their observational capabilities.
Benefits of Using the ZWO 2" SII Filter
- Improved Image Clarity: Achieve higher contrast and more detailed images of nebulae.
- Light Pollution Mitigation: Reduces the impact of artificial and natural light pollution, making it easier to observe and photograph celestial objects.
- Enhanced Observational Quality: Allows for deeper exploration of celestial objects by isolating specific wavelengths of light.
- Reliable and Durable: Built with high-quality materials to ensure longevity and consistent performance.
What the ZWO 2" SII Filter 7nm is Used For
The ZWO 2" Narrowband SII Filter 7nm is primarily used for capturing and observing emission nebulae. By isolating the SII emission line, 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 ZWO 2" Narrowband SII Filter 7nm
Using the ZWO 2" Narrowband SII Filter 7nm is straightforward and effective:
- Attach the Filter: Screw the filter onto the eyepiece or camera adapter of your telescope.
- Align Your Telescope: Point your telescope at the nebula or other celestial object you wish to observe or photograph.
- Adjust Settings: For astrophotography, adjust your camera settings to account for the narrowband filter, ensuring proper exposure times.
- 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 ZWO 2" Narrowband SII Filter
- 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.
Frequently Asked Questions (FAQ) About the ZWO 2" Narrowband SII Filter 7nm
Q: Can this filter be used for planetary observation? A: No, the ZWO 2" Narrowband SII Filter 7nm is specifically designed for nebula observation and astrophotography and is not suitable for planetary observation.
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: Yes, it can be used for both visual observations and astrophotography.
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" Narrowband SII Filter 7nm
Purchasing the ZWO 2" Narrowband SII Filter 7nm is a smart investment 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 nebulae. The filter's high transmission rate and fine-optical polishing ensure superior performance, providing you with clear and detailed views of the night sky.
Popular Targets with the ZWO 2" SII Filter
Using the ZWO 2" Narrowband SII Filter 7nm, you can observe and photograph a variety of popular nebulae:
- 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 SII filter.
- The Eagle Nebula (M16): Famous for the "Pillars of Creation," this nebula offers breathtaking views.
Specifications of the ZWO 2" Narrowband SII Filter 7nm
- Name: ZWO New Narrowband 2" Filter
- Size: 2"
- Thickness: 5mm + 2.5mm (thread)
- Glass Thickness: 1.85mm
- Thread: M48*0.75 male thread
- FWHM: 7±0.5nm
- Transmission Rate: About 90% at SII line 672nm
- Infrared Cut-Off: 700-1100nm
Package Content of the ZWO 2" SII Filter
- ZWO 2" Narrowband SII Filter 7nm
- Protective Case
- User Manual
Caution When Using the ZWO Narrowband SII 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 SII Filter 2"
This filter is designed for observing and photographing nebulae by isolating the SII emission lines. It is not suitable for general observation of the night sky or planetary observation. For best results, use in conjunction with other narrowband filters for a comprehensive imaging setup.
Order Now
The ZWO 2" Narrowband SII Filter 7nm 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 nebula images. Don't miss the opportunity to add this high-quality filter to your astronomical toolkit. Order now and take your nebula observations to the next level!
Share



