Skip to product information
1 of 11

Optolong

Optolong Variable Polarizer Filter 2"

Optolong Variable Polarizer Filter 2"

Regular price $88.00 USD
Regular price Sale price $88.00 USD
Sale Sold out

FREE SHIPPING

Optolong Variable Polarizer Filter

Introducing the Optolong Variable Polarizer Filter 2"

The Optolong Variable Polarizer Filter 2" is a versatile and essential tool for astronomers and astrophotographers seeking to manage the brightness of celestial objects without sacrificing image quality. This adjustable filter allows you to fine-tune the level of light transmission, providing optimal viewing and imaging conditions for bright objects such as the Moon, Venus, and other planets. Crafted with high-quality materials and featuring advanced design elements, the Optolong Variable Polarizer Filter ensures superior performance, making it a must-have for any serious stargazer or astrophotography enthusiast.

Features of the Optolong Variable Polarizer 2" Filter

The Optolong Variable Polarizer Filter 2" is packed with features that make it a standout choice for astronomical observation and imaging:

  • Adjustable Brightness: Allows you to set the percentage of light attenuation by rotating the top section of the two-piece filter. This flexibility is superior to standard Moon filters, providing precise control over brightness levels.
  • High-Quality Materials: Made with a 2mm thick Schott glass substrate from Germany, ensuring durability and reliability.
  • Superior Optical Quality: Features a clear aperture of 44mm, fine-optically polished to 1/4 wavelength or better, with surface parallelism within 30 seconds of arc.
  • Advanced Coating Technology: Includes multiple layers of anti-reflection coatings applied via electron-beam gun evaporation with ion-assisted deposition, enhancing durability and scratch resistance.
  • Durable Filter Cell: CNC machined from black anodized aero-metal, the filter cell is lightweight yet strong, with laser engraving to prevent fading.
  • Easy to Use: The filter is designed to attach easily to any 2-inch eyepiece or camera adapter, with a standard M48x0.75 thread.
  • Wide Application: Suitable for both astronomical and terrestrial observations, making it a versatile addition to your toolkit.

Applications of the Optolong Variable Polarizer Filter

This filter is ideal for a variety of astronomical and terrestrial applications, particularly where managing brightness is crucial:

  • Lunar Observation: Perfect for observing the Moon with adjustable brightness to reduce glare and enhance surface details.
  • Planetary Observation: Ideal for viewing bright planets like Venus and Jupiter, allowing you to fine-tune the light levels for optimal clarity.
  • Terrestrial Observation: Excellent for reducing glare and reflections when observing landscapes, water bodies, and other bright terrestrial scenes.
  • Astrophotography: Ensures that only the desired amount of light reaches your camera sensor, providing sharp and clear images of celestial and terrestrial objects.

Benefits of Using the Optolong Variable Polarizer Filter 2"

Incorporating the Optolong Variable Polarizer Filter 2" into your astronomical setup offers numerous benefits:

  • Improved Image Clarity: Adjustable brightness levels allow for sharper and more detailed views of celestial objects.
  • Enhanced Contrast: Increases the contrast of objects against the background sky, making them stand out more clearly.
  • Versatile Use: Suitable for a wide range of applications, from lunar and planetary observation to terrestrial viewing and photography.
  • Durable and Reliable: Constructed from high-quality materials and advanced manufacturing processes, the filter is built to last.
  • User-Friendly: Easy to attach and adjust, providing flexibility and convenience for both visual observation and imaging.

What is the Optolong Variable Polarizer Filter Used For?

The Optolong Variable Polarizer Filter 2" is designed to manage the brightness of celestial and terrestrial objects by allowing you to adjust the level of light transmission. This makes it ideal for:

  • Lunar Observation: Reducing the brightness of the Moon to reveal more surface details without overwhelming glare.
  • Planetary Observation: Fine-tuning the brightness of bright planets like Venus and Jupiter for optimal clarity.
  • Terrestrial Observation: Reducing glare and reflections when observing landscapes, water bodies, and other bright scenes.
  • Astrophotography: Controlling the amount of light reaching your camera sensor to capture clear and detailed images of celestial and terrestrial objects.

Usage Instructions for the Optolong 2" Variable Polarizer Filter

Using the Optolong Variable Polarizer Filter 2" 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 M48x0.75 thread.
  2. Adjust Brightness: Rotate the top half of the filter to adjust the brightness level. The filter can turn 360°, allowing for precise control over light transmission.
  3. Observe or Photograph: Begin your observation or astrophotography session, taking advantage of the adjustable brightness to achieve the best possible view.
  4. Store Safely: After use, store the filter in its protective plastic case to prevent damage and contamination.

Tips for Getting the Best Results with the Optolong Variable Polarizer 2" Filter

To maximize the performance of your Optolong Variable Polarizer Filter 2":

  • 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 narrowband filters for capturing different wavelengths of light from celestial objects.
  • Regular Maintenance: Clean your filters and telescope lenses regularly to ensure the highest image quality.
  • Proper Storage: Always store the filter in its protective case to prevent scratches and other damage.

FAQ: Common Questions About the Optolong Variable Polarizer Filter 2"

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

Q: How do I adjust the brightness with the variable polarizer filter? A: Simply rotate the top half of the filter to adjust the brightness level. The filter can turn 360°, allowing for precise control over light transmission.

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 Variable Polarizer filter is not designed for sun observation. Looking at the sun with this filter can cause blindness.

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 Polarizer Filter?

The Optolong Variable Polarizer Filter 2" is an essential tool for anyone serious about astronomy and astrophotography. Its ability to adjust brightness levels without altering the color balance makes it invaluable for capturing detailed images of the Moon, planets, and terrestrial scenes. Whether you're observing the bright surface of the Moon or the dazzling brightness of Venus, this filter ensures you get the clearest and most accurate view possible. With its high-quality construction and advanced features, the Optolong Variable Polarizer Filter 2" will significantly improve your stargazing and imaging experience.

Specifications of the Optolong Variable Polarizer Filter 2"

  • Filter Size: 2 inches
  • Material: Schott B260 substrate material, 2.0mm thick
  • Optical Quality: Fine optically polished to 1/4 wavelength or better, parallelism within 30 seconds of arc
  • Coating Technology: Multi-layer anti-reflection, non-cementing optical substrate, electron-beam gun evaporation with ion-assisted deposition
  • Surface Quality: 60/40 according to MIL-O-13830
  • Thread: Standard M48x0.75mm
  • Clear Aperture: 44mm
  • Net Weight: 5.2g / 0.18oz

Package Content

When you purchase the Optolong Variable Polarizer Filter 2", you will receive:

  • 1 x Optolong Variable Polarizer Filter 2": 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 Polarizer Filter 2". Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.

The Optolong Variable Polarizer Filter 2" is a powerful tool for any astronomer or astrophotographer looking to manage the brightness of celestial and terrestrial objects without altering their color balance. 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 Variable Polarizer 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 Polarizer Filter 2" today and start capturing the cosmos with unmatched clarity and precision.

 

View full details