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Stress-free Filtro L-pro 77mm Smart Choice [DKtjYpH8]

$51.99 $166.99 -69%

Stress-free Filtro L-pro 77mm Smart Choice [DKtjYpH8]Introducing the Optolong L-PRO 77mm Filter, a sophisticated tool designed to enhance the viewing experience of deep-sky objects. This filter is engineered to boost contrast and reduce unwanted light, making it an essential accessory

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Stress-free Filtro L-pro 77mm Smart Choice [DKtjYpH8]

Stress-free Filtro L-pro 77mm Smart Choice [DKtjYpH8]

Introducing the Optolong L-PRO 77mm Filter, a sophisticated tool designed to enhance the viewing experience of deep-sky objects. This filter is engineered to boost contrast and reduce unwanted light, making it an essential accessory for both visual and photographic astronomy. With its advanced transmission characteristics, it allows the passage of specific wavelengths that highlight deep-sky objects, while effectively blocking harmful emissions and reducing sky glow. The L-PRO 77mm Filter is a must-have for astronomers seeking to improve their observations in light-polluted areas.

Product Properties and Specifications

The Optolong L-PRO 77mm Filter boasts a unique treatment process that ensures its longevity and performance. The non-cemented coatings are applied using the Electron Beam Assisted Deposition (EBAD) process, which provides exceptional durability and scratch resistance. This method also guarantees the stability of the central wavelength (CWL) and prevents thermal drift. The filter features a high transmission in its bandwidth and a high optical density in the frequencies it blocks. Key specifications include a 77mm diameter and compatibility with both visual and photographic equipment.

Practical Uses and Benefits

The L-PRO 77mm Filter is an invaluable tool for astronomers and astrophotographers looking to capture stunning images of deep-sky objects. Its multiband pass design minimally affects the color rendition, making it ideal for photographing objects that emit continuous light, such as galaxies, star clusters, and reflection nebulae. By extending exposure times up to three times longer than without a filter, it allows for more detailed and vibrant images. Whether you're a hobbyist or a professional, the Optolong L-PRO 77mm Filter is a game-changer that will elevate your astronomy and astrophotography experiences.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

This is a product that has met all my needs.

- Jayden T..

January 17, 2026

Absolutely no complaints!

It feels very solid and reliable.

- Douglas B..

January 17, 2026

Absolutely no complaints!

I'm very pleased with this manufacturer.

- Bo K..

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