Optolong 2" OIII 6.5nm Filter

Optolong 2" Inch OIII Filter 6.5nm

Introducing the Optolong 2" OIII 6.5nm Filter

The Optolong 2" OIII 6.5nm Filter is an indispensable tool for astronomers and astrophotographers seeking to capture the intricate details of deep-sky objects. This professional-grade narrowband filter is specifically designed to isolate the Oxygen III (OIII) emission line at 500nm, significantly enhancing the contrast and visibility of celestial phenomena. Whether you are photographing or visually observing nebulae, the Optolong OIII 6.5nm Filter ensures unparalleled performance and clarity by drastically reducing light pollution and other unwanted wavelengths. Constructed with high-quality materials and advanced manufacturing processes, this filter is built to meet the exacting standards of serious stargazers and astrophotography enthusiasts.

Features of the Optolong 2" OIII Filter 6.5nm

The Optolong 2" OIII 6.5nm Filter boasts a range of advanced features that make it a standout choice for deep-sky observation and imaging:

• High Transmission Rate: This filter ensures 80% transmission at the OIII emission line (500nm), providing bright and detailed views of nebulae and other deep-sky objects.
• Effective Light Pollution Blocking: Reduces the transmission of unwanted light wavelengths, including artificial light pollution from mercury vapor and sodium vapor lights, as well as natural skyglow.
• Infrared Blocking: The filter blocks infrared wavelengths from 700nm to 1100nm, eliminating the need for a separate IR-Cut filter.
• Precision Polishing: The filter substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces, ensuring superior image quality.
• High-Quality Materials: Made from 2mm thick Schott B260 optical glass substrate, the filter offers excellent durability and reliability.
• Advanced Coating Technology: Features multiple layers of anti-reflection coatings, applied via electron-beam gun evaporation with ion-assisted deposition, for enhanced durability and scratch resistance.
• Durable Filter Cell: The CNC machined, black anodized aero-metal filter cell is lightweight yet strong, providing a clear aperture of 26mm.
• Laser Engraving: The filter cell features laser engraving to prevent fading, ensuring all markings remain legible over time.
• Ultra-Thin Design: The ultra-thin filter cell minimizes vignetting and maximizes the possible clear aperture.

Applications of the Optolong 2" OIII Filter

This filter is ideal for a variety of astronomical applications, particularly for observing and imaging deep-sky objects:

• Deep-Sky Imaging: Perfect for capturing detailed images of emission nebulae, planetary nebulae, and supernova remnants.
• Visual Observation: Enhances the contrast and visibility of faint nebulae and other celestial phenomena.
• Professional Astronomy: Suitable for use in both amateur and professional astronomical research, providing precise and reliable optical performance.

Benefits of Using the Optolong OIII 6.5nm 2" Filter

Incorporating the Optolong 2" OIII 6.5nm Filter into your astronomical setup offers numerous benefits:

• Superior Image Quality: Achieve high-contrast, detailed images of deep-sky objects by isolating the OIII emission line.
• Reduced Light Pollution: Effectively cuts through light pollution, making it possible to observe and photograph celestial objects even in urban areas.
• Durable and Reliable: Constructed from high-quality materials and advanced manufacturing processes, the filter is built to last.
• Versatile Use: Suitable for both visual observation and astrophotography, making it a valuable tool for various astronomical activities.

What is the Optolong 2" OIII Filter Used For?

The Optolong 2" OIII 6.5nm Filter is designed to improve the visibility and detail of celestial objects by isolating the Oxygen III (OIII) emission line at 500nm. This filter blocks unwanted light wavelengths, including those from artificial light pollution and natural skyglow, enhancing the contrast and clarity of deep-sky objects such as emission nebulae and supernova remnants. It is particularly effective for both visual observation and astrophotography, making it an essential tool for any astronomer.

Usage Instructions for the Optolong 2" OIII 6.5nm Filter

Using the Optolong 2" OIII 6.5nm Filter is straightforward and efficient. Here’s how to get started:

1. Attach the Filter: Secure the filter to the 2-inch eyepiece or camera adapter of your telescope using the standard thread.
2. Adjust Focus: Adjust your telescope’s focus to get a clear view of your target object.
3. Observe or Photograph: Begin your observation or astrophotography session, taking advantage of the enhanced clarity and contrast provided by the filter.
4. Store Safely: After use, store the filter in its protective case to prevent damage and contamination.

Tips for Getting the Best Results with the Optolong 2" OIII 6.5nm Filter

To maximize the performance of your Optolong 2" OIII 6.5nm Filter:

• Use in Clear Skies: For best results, use the filter under clear and dark skies.
• Combine with Other Filters: Consider using other narrowband filters to capture different wavelengths of light from celestial objects.
• Regular Maintenance: Clean your filters and telescope lenses regularly to ensure the highest image quality.

Q&A: Common Questions About the Optolong 2" OIII Filter

Q: Can I use the Optolong OIII Filter with any telescope? A: Yes, the filter is compatible with any telescope that accommodates 2-inch eyepieces or camera adapters.

Q: Does the filter reduce light pollution effectively? A: Yes, the filter is designed to block unwanted light from skyglow and streetlights, significantly improving image contrast and clarity.

Q: Is the filter suitable for both visual observation and astrophotography? A: Absolutely, the filter is designed for both purposes, offering versatility and high performance for all astronomical activities.

Q: Can I use this filter for sun observation? A: No, the Optolong OIII filter is not designed for sun observation. Looking at the sun with this filter can cause blindness.

Why Should You Buy the Optolong OIII Filter?

The Optolong 2" OIII 6.5nm Filter is an essential tool for anyone serious about astronomy and astrophotography. Its ability to isolate the OIII emission line and reduce light pollution makes it invaluable for capturing detailed images of deep-sky objects. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.

Specifications of the Optolong 2" OIII Filter

• Filter Size: 2 inches
• Bandwidth: 6.5nm
• Transmission: 80% at OIII line (500nm)
• Blocking: Infrared wavelengths from 700nm to 1100nm, Hg at 435nm and 578nm, Na at 589nm
• Optical Quality: Multi-layer anti-reflection coating, non-cementing optical substrate coating
• Material: Optical glass lens, aluminum frame
• Surface Quality: High-quality aerometal material with CNC machining, sand blasting, and black anodized finish
• Thread: Standard M48x0.75mm
• Net Weight: 5.2g / 0.18oz

Package Content

When you purchase the Optolong 2" OIII 6.5nm Filter, you will receive:

• 1 x Optolong 2" OIII 6.5nm Filter: The main component, designed to improve your astronomical observations.
• 1 x Protective Plastic Storage Case: Made from durable PP material to protect your filter when not in use.

Order Now

Transform your astronomical observations and astrophotography with the Optolong 2" OIII 6.5nm Filter. Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of deep-sky objects with unprecedented detail. Click the link below to add this essential tool to your collection today.

The Optolong 2" OIII 6.5nm Filter is a powerful tool for any astronomer or astrophotographer looking to reduce the effects of light pollution and improve the visibility of deep-sky objects. With its high transmission rates, advanced coating technology, and durable construction, this filter ensures that you can capture stunning, high-contrast images of the night sky with ease. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the Optolong OIII filter will help you see the universe in greater detail than ever before. Don't miss out on the opportunity to enhance your stargazing and astrophotography experience. Order your Optolong 2" OIII 6.5nm Filter today and start exploring the night sky with unmatched clarity and precision.