Optolong IR Pass 685nm Filter 1.25"

Optolong IR Pass 685nm Filter 1.25 Inch

Introducing the Optolong IR Pass 685nm Filter 1.25"

The Optolong IR Pass 685nm Filter 1.25" is a powerful tool for astronomers and astrophotographers aiming to capture high-contrast, detailed images of the Moon and planets. This filter is specifically designed to block wavelengths below 670nm, allowing only infrared light to pass through. By doing so, it enhances contrast and surface detail while reducing the effects of atmospheric distortion, making it an invaluable addition to your astronomical equipment. Whether you're a professional astronomer or an enthusiastic amateur, the Optolong IR Pass 685nm Filter will significantly improve your planetary photography results.

Features of the Optolong IR Pass 685nm Filter 1.25"

The Optolong IR Pass 685nm Filter 1.25" boasts a range of advanced features that ensure superior performance and durability:

• High Transmission Rate: The filter offers 95% transmission at the bandpass, allowing maximum infrared light to pass through while blocking unwanted wavelengths.
• Enhanced Contrast and Detail: By blocking wavelengths below 670nm, the filter enhances contrast and surface detail, reducing the effects of seeing and atmospheric distortion.
• High-Quality Materials: Made from B260 substrate material from Germany, 2.0mm thick, ensuring durability and stability on the central wavelength (CWL).
• Advanced Coating Technology: Features multiple layers of anti-reflection non-cementing coatings, applied via electron-beam gun evaporation with ion-assisted deposition for enhanced durability and scratch resistance.
• Precision Engineering: The filter cell is CNC machined from aero-metal, sand-blasted, black anodized, and laser engraved for a high-quality finish that resists fading.
• Ultra-Thin Design: The ultra-thin filter cell minimizes vignetting and maximizes the clear optical aperture of 26mm.
• Superior Surface Quality: The filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces, with a surface quality of 60/40 according to MIL-O-13830 standards.
• High-Pressure EVA Case Lining: Each filter comes with a plastic case with high-pressure EVA case lining for added protection.

Applications of the 1.25" Optolong IR Pass 685nm Filter

This filter is ideal for a variety of astronomical applications, particularly for observing and imaging the Moon and planets:

• Planetary Imaging: Enhances the visibility of planetary features by allowing only infrared light to pass through, reducing the effects of atmospheric distortion.
• Lunar Observation: Improves the contrast and detail of the Moon’s surface by blocking unwanted wavelengths.
• Infrared Imaging: Suitable for infrared imaging, capturing detailed images of celestial objects in the infrared spectrum.
• Professional Astronomy: Suitable for use in both amateur and professional astronomical research, providing precise and reliable optical performance.

Benefits of Using the Optolong IR Pass 685nm 1.25" Filter

Incorporating the Optolong IR Pass 685nm Filter into your astronomical setup offers numerous benefits:

• Superior Image Quality: Achieve high-contrast, detailed images of the Moon and planets by allowing only infrared light to pass through.
• Reduced Atmospheric Distortion: The filter reduces the effects of seeing and atmospheric distortion, improving the clarity of your observations and images.
• 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, providing excellent performance in various applications.

What is the Optolong IR Pass 685nm Filter 1.25" Used For?

The Optolong IR Pass 685nm Filter 1.25" is designed to improve the visibility and detail of celestial objects by blocking unwanted wavelengths below 670nm. This makes it ideal for:

• Planetary Imaging: Enhancing the visibility of planetary features by reducing the effects of atmospheric distortion and allowing only infrared light to pass through.
• Lunar Observation: Improving the contrast and detail of the Moon’s surface by blocking unwanted wavelengths.
• Infrared Imaging: Capturing detailed images of celestial objects in the infrared spectrum.
• Professional Astronomy: Providing precise and reliable optical performance for both amateur and professional astronomical research.

Usage Instructions for the Optolong IR Pass 685nm Filter

Using the Optolong IR Pass 685nm Filter 1.25" is straightforward and efficient. Here’s how to get started:

1. Attach the Filter: Secure the filter to the 1.25-inch eyepiece or camera adapter of your telescope using the standard M28.5x0.6mm 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 contrast and reduced atmospheric distortion 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 IR Pass 685nm 1.25" Filter

To maximize the performance of your Optolong IR Pass 685nm Filter:

• Use in Clear Skies: For optimal 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.
• Experiment with Different Objects: Try observing and photographing various celestial objects to fully appreciate the benefits of the infrared pass filter.

FAQ: Common Questions About the Optolong IR Pass 685nm Filter 1.25"

Q: Can I use the Optolong IR Pass Filter with any telescope? A: Yes, the filter is compatible with any telescope that accommodates 1.25-inch eyepieces or camera adapters.

Q: Does the filter reduce atmospheric distortion effectively? A: Yes, the filter is designed to block wavelengths below 670nm, reducing the effects of seeing and atmospheric distortion.

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: The filter is not intended for direct solar observation. Always use appropriate solar filters and safety precautions when observing the Sun.

Q: How should I clean and store the filter? A: Clean the filter gently with a soft, lint-free cloth and store it in its protective plastic case when not in use to prevent damage.

Why Should You Buy the Optolong IR Pass 685nm Filter 1.25"?

The Optolong IR Pass 685nm Filter 1.25" is an essential tool for anyone serious about astronomy and astrophotography. Its ability to block unwanted wavelengths and improve the visibility of celestial objects makes it invaluable for capturing detailed images of the Moon and planets. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.

Specifications of the Optolong IR Pass 685nm Filter 1.25"

• Filter Size: 1.25 inches
• Transmission: 95% at bandpass
• Optical Quality: Multi-layer anti-reflection coating, non-cementing optical substrate coating
• Material: B260 substrate material from Germany, aluminum frame
• Surface Quality: 60/40 according to MIL-O-13830
• Surface Parallelism: 1/4λ, <30 parallelism over both surfaces
• Thread: Standard M28.5x0.6mm
• Shape: Round
• Net Weight: 3g / 0.12oz

Package Content

When you purchase the Optolong IR Pass 685nm Filter 1.25", you will receive:

• 1 x Optolong IR Pass 685nm Filter 1.25": 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 IR Pass 685nm Filter 1.25". Order now to enjoy clear, high-contrast images of the Moon and planets and capture the beauty of these celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.

The Optolong IR Pass 685nm Filter 1.25" is a powerful tool for any astronomer or astrophotographer looking to reduce the effects of atmospheric distortion and improve the visibility of fine details on the Moon and planets. With 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 IR Pass filter will help you see the universe in greater detail than ever before. Don't miss out on the opportunity to improve your stargazing and astrophotography experience. Order your Optolong IR Pass 685nm Filter 1.25" today and start capturing the cosmos with unmatched clarity and precision.