Optolong Variable Polarizing Filter 1.25"

Optolong Variable Polarizing Filter 1.25"

Introducing the Optolong Variable Polarizing Filter 1.25"

The Optolong Variable Polarizing Filter 1.25" is a highly versatile tool for astronomers and astrophotographers looking to control and fine-tune the brightness of celestial objects in their observations and images. This filter allows you to adjust the amount of light entering your eyepiece, providing optimal visibility and contrast for bright objects like the Moon, Venus, and other planets. With its advanced construction and high-quality materials, the Optolong Variable Polarizing Filter ensures exceptional performance and durability, making it an indispensable addition to your astronomical toolkit.

Features of the Optolong 1.25" Variable Polarizing Filter

The Optolong Variable Polarizing Filter 1.25" offers a range of features that make it a standout choice for enhancing your astronomical observations:

• Adjustable Brightness: The variable polarizing filter allows you to set the percentage of light attenuation by simply rotating the top section of the filter, which can turn 360 degrees. This flexibility enables precise control over the brightness of the observed object.
• High-Quality Materials: Constructed from durable optical glass and aero-metal, ensuring long-lasting performance and reliability.
• Advanced Coating Technology: Features multi-layer anti-reflection coatings to maximize light transmission and minimize reflections.
• Precision Engineering: The filter cell is CNC machined for high precision, ensuring a perfect fit and alignment with your telescope’s eyepiece.
• 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.
• Laser Engraving: The filter cell features laser engraving to prevent fading, ensuring that important information remains legible over time.
• Versatile Compatibility: Suitable for use with 1.25-inch eyepieces and astro accessory barrels, making it a versatile tool for various astronomical setups.

Applications of the Optolong Variable Polarizing 1.25" Filter

This filter is ideal for a variety of astronomical and terrestrial applications:

• Lunar Observation: Adjust the brightness of the Moon to reveal more surface details and reduce glare.
• Planetary Imaging: Enhance the visibility of bright planets like Venus by controlling the amount of light entering the eyepiece.
• Double Star Splitting: Reduce the glare of bright stars, making it easier to split double stars.
• Terrestrial Observation: Ideal for reducing brightness and glare when observing or photographing terrestrial scenes, especially over water or reflective surfaces.

Benefits of Using the Optolong Variable Polarizing Filter 1.25"

Incorporating the Optolong Variable Polarizing Filter 1.25" into your astronomical setup offers numerous benefits:

• Superior Image Quality: Achieve high-contrast, detailed views of bright celestial objects by adjusting their brightness.
• Enhanced Contrast: The filter increases the contrast between celestial objects and the background sky, making faint details more visible.
• True Color Retention: The filter maintains the true color of the observed object, providing an accurate and natural view.
• 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 Variable Polarizing Filter 1.25" Used For?

The Optolong Variable Polarizing Filter 1.25" is designed to control and fine-tune the brightness of celestial objects without altering their color balance. This makes it ideal for:

• Lunar Observation: Reducing the brightness of the Moon to reveal more surface details and reduce glare.
• Planetary Imaging: Enhancing the visibility of bright planets like Venus by controlling the amount of light entering the eyepiece.
• Double Star Splitting: Making it easier to observe and split double stars by reducing the brightness of the stars.
• Terrestrial Observation: Reducing brightness and glare when observing or photographing terrestrial scenes, especially over water or reflective surfaces.

Usage Instructions for the Optolong Variable Polarizing Filter

Using the Optolong Variable Polarizing 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 Brightness: Rotate the top section of the filter to set the desired level of light attenuation. The filter can turn 360 degrees, allowing for precise control.
3. Adjust Focus: Adjust your telescope’s focus to get a clear view of your target object.
4. Observe or Photograph: Begin your observation or astrophotography session, taking advantage of the adjustable brightness and enhanced clarity provided by the filter.
5. Store Safely: After use, store the filter in its protective case to prevent damage and contamination.

Tips for Getting the Best Results with the 1.25" Optolong Variable Polarizing Filter

To maximize the performance of your Optolong Variable Polarizing Filter 1.25":

• Use in Clear Skies: For optimal results, use the filter under clear and dark skies.
• Combine with Other Filters: Consider using other filters for specific purposes, such as color filters for planetary observation.
• Regular Maintenance: Clean your filters and telescope lenses regularly to ensure the highest image quality.
• Experiment with Brightness Levels: Adjust the brightness to different levels to find the optimal setting for each observation or imaging session.

FAQ: Common Questions About the Optolong Variable Polarizing Filter

Q: Can I use the Optolong Variable Polarizing 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 retain the true color of the observed object? A: Yes, the filter uniformly transmits all wavelengths of light, retaining the true color of the observed object.

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 can be used for solar observation only when used with a proper solar filter system. Never use this filter alone for direct solar observation.

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 Variable Polarizing Filter?

The Optolong Variable Polarizing Filter 1.25" is an essential tool for anyone serious about astronomy and astrophotography. Its ability to control and fine-tune the brightness of celestial objects without altering their color makes it invaluable for capturing detailed images of the Moon, bright planets, and double stars. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.

Specifications of the Optolong Variable Polarizing Filter 1.25"

• Filter Size: 1.25 inches
• Type: Polarizing
• Substrate Thickness: 2mm
• Clear Aperture: 26mm
• 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 Variable Polarizing Filter 1.25", you will receive:

• 1 x Optolong Variable Polarizing 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 Variable Polarizing Filter 1.25". Order now to enjoy clear, high-contrast images of the Moon, bright planets, and double stars. Click the link below to add this essential tool to your collection today.

The Optolong Variable Polarizing Filter 1.25" is a powerful tool for any astronomer or astrophotographer looking to reduce the brightness of celestial objects and improve the visibility of fine details. With adjustable brightness, 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 Variable Polarizing 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 Variable Polarizing Filter 1.25" today and start capturing the cosmos with unmatched clarity and precision.