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Optolong L-Pro Filter

Optolong L-Pro Filter

Regular price $253.53 USD
Regular price $253.53 USD Sale price $253.53 USD
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If you're looking for a filter to improve the quality of your astrophotography, consider the OPTOLONG 2" L-Pro Filter. This high-performance filter is designed to block out unwanted light pollution and increase contrast, resulting in clearer and more detailed images of celestial objects.

The L-Pro Filter is a multi-bandpass filter that is specifically designed to enhance the transmission of nebula emission lines and suppress light pollution. This means that you'll be able to capture more of the rich detail and color in nebulae, galaxies, and other deep space objects, even when observing from a light-polluted area.

The OPTOLONG 2" L-Pro Filter is compatible with a variety of 2-inch telescope eyepieces, and it's easy to install and remove. With its durable, high-quality construction, you can be sure that this filter will provide years of reliable service.

Optolong L-Pro Filter: A Game-Changer in Astrophotography

Astrophotography enthusiasts know the struggle of capturing crisp, vibrant images under less-than-ideal lighting conditions. The Optolong L-Pro Filter emerges as a pivotal tool in this regard, delivering exceptional clarity and detail in celestial photography. Designed with advanced technology, this filter is an indispensable asset for both amateur and professional astronomers looking to push the boundaries of their night sky explorations.

Optolong 2" L-Pro Filter Features

The Optolong L-Pro Filter boasts a series of impressive features that make it a top choice for astrophotographers. Primarily, its multi-bandpass capabilities allow it to effectively transmit nebula emission lines while suppressing the common problem of light pollution. This dual functionality ensures that the true colors and intricacies of galaxies, nebulae, and other celestial bodies are captured with utmost precision.

Its construction is equally noteworthy, made with high-grade optical glass that ensures durability and performance stability over time. The filter's uniform thickness and anti-reflection coatings prevent ghosting and halos around bright objects, providing a clearer astronomical viewing experience.

Applications of the L-Pro Filter

The Optolong L-Pro Filter finds its place in a diverse array of astrophotography scenarios. Whether it's capturing distant galaxies, sprawling nebulae, or star clusters, this filter enhances the capability of your telescope and camera setup. It is especially beneficial in urban settings, where ambient light often interferes with astronomical imaging.

Benefits of the Optolong 2" L-Pro Filter

Integrating the Optolong L-Pro Filter into your astrophotography equipment yields numerous benefits:

  1. Superior Image Quality: By filtering out selective wavelengths of light pollution, the L-Pro enhances the visibility of celestial objects.
  2. Versatility: Compatible with all 2-inch telescope eyepieces, it can be used across various telescope setups without the need for additional accessories.
  3. Ease of Use: The filter is designed for easy installation and removal, making it convenient for both seasoned astrophotographers and beginners.
  4. Longevity: Built to last, the durable materials and quality construction ensure that the filter remains a valuable part of your kit for years.

Usage of the Optolong 2" L-Pro Filter

Using the Optolong L-Pro Filter is straightforward. Simply attach it to your telescope’s 2-inch eyepiece before beginning your imaging session. Adjust your camera settings as you would normally, and let the filter do the work of clarifying and refining the image quality.


To maximize the effectiveness of your Optolong L-Pro Filter, consider the following tips:

  • Regular Cleaning: Keep the filter free from dust and smudges to maintain optimal performance.
  • Storage: When not in use, store the filter in a dry, safe place to avoid any potential damage.
  • Calibration: Regularly calibrate your setup to accommodate the filter’s light transmission properties for the best results.


Q: Can the L-Pro Filter be used with any telescope? A: It is designed for use with any telescope that accommodates 2-inch eyepieces.

Q: How does the filter improve images taken from light-polluted areas? A: It selectively blocks wavelengths of light typically associated with urban lighting, enhancing the visibility of dimmer celestial objects.

Q: Is the filter useful for both photography and visual observation? A: Absolutely, the L-Pro Filter enhances both photographic and visual experiences by improving the contrast and clarity of celestial objects.

Why Should You Buy Optolong 2" L-Pro Filter

If you are committed to astrophotography, the Optolong L-Pro Filter is an essential addition to your toolkit. It not only improves the quality of your photographs but also enhances your overall viewing experience, making it a smart investment for anyone serious about exploring the cosmos.

Popular Targets for L-Pro Filter

The L-Pro Filter excels in capturing:

  • Nebulae: Witness the intricate details and vibrant colors of nebulae.
  • Galaxies: Bring out the structure and spiral arms of distant galaxies.
  • Star Clusters: Observe and photograph the fine details of cluster formations.


  • Type: Monocular
  • Size: 2 inch (50.8mm)
  • Brand: Optolong

Package Content

Each Optolong L-Pro Filter package includes:

  • 1x Optolong L-Pro Filter
  • Protective Case
  • User Manual

Order Now

Ready to transform your astrophotography experience? Click here to order your Optolong L-Pro Filter today! Invest in your passion for astronomy and capture the universe in its awe-inspiring detail like never before.

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