Explore Scientific 2" CLS Nebula Filter

1. Enhanced Nebular Contrast: This CLS filter provides a substantial improvement in the contrast of various nebulae, especially emission and planetary nebulae. It achieves this by selectively blocking the wavelengths emitted by common suburban light pollution sources like mercury and sodium vapor lamps, allowing the fainter, critical light from nebulae to become more prominent.

2. Broad Spectrum Light Pollution Reduction: Unlike narrower bandpass filters, the CLS filter offers a wider bandpass that is effective across a range of light pollution types, making it a versatile tool for observing and imaging from areas affected by general urban glow. This broad blocking capability significantly reduces skyglow.

3. High Quality Optical Glass: Manufactured from precision-machined optical glass, this filter ensures excellent light transmission and minimizes internal reflections, preserving image clarity and sharpness. The coatings are designed for durability and optimal spectral performance over time.

4. Standard 2-inch Threading: Designed with a universal 2-inch thread, the filter can be easily and securely attached to most 2-inch eyepieces, diagonals, or camera adapters. This ensures a stable connection and makes it simple to integrate into existing astronomical setups, prolonging the lifetime of the product through proper use of original accessories.

ABOUT THE EXPLORE SCIENTIFIC 2" CLS NEBULA FILTER

The Explore Scientific 2" CLS Nebula Filter stands out by offering a highly effective solution for observing deep-sky objects from light-polluted environments. Unlike more specialized narrowband filters, this City Light Suppression (CLS) filter provides a broader blocking of common artificial light sources while maintaining a wide enough bandpass for a variety of nebulae, making it particularly versatile for both visual observers and astrophotographers. It excels at enhancing the visibility of emission and planetary nebulae by significantly reducing the glow from mercury and sodium vapor streetlights. The filter's design prioritizes both optical performance and mechanical precision, ensuring minimal light loss for desired wavelengths and a secure fit. Its intended use is to transform mediocre views from urban backyards into surprisingly detailed observations, enabling amateur astronomers to see fainter structures that would otherwise be lost in the skyglow. Using original accessories and spare parts, like this filter, is crucial for prolonging the lifetime and maintaining the optimal performance of your valuable optics.

ABOUT EXPLORE SCIENTIFIC

Explore Scientific is a globally recognized manufacturer of astronomical telescopes, optics, and accessories, founded in 2008 and based in Springdale, Arkansas, USA. The company is known for its commitment to providing high-quality, innovative products that make astronomy more accessible and enjoyable for enthusiasts of all levels. Explore Scientific emphasizes rugged durability and optical clarity in its designs, from refractors and reflectors to eyepieces and filters. Their product philosophy centers on delivering instruments that offer exceptional performance and reliability, allowing astronomers to explore the cosmos with confidence and precision.

MAIN FEATURES

• Filter Type: CLS (City Light Suppression) Nebula Filter

• Size: 2-inch barrel, designed to thread directly into 2-inch eyepieces, diagonals, or camera adapters.

• Optical Design: Specifically engineered to significantly reduce light pollution from common artificial sources like mercury and sodium vapor lamps, while allowing essential nebula emission lines (H-alpha, H-beta, OIII) to pass through.

• Material: Constructed with high-quality optical glass for superior light transmission and housed in a durable, black anodized aluminum cell with standard 2-inch filter threads.

• Application: Optimally suited for visual observation and astrophotography of emission and planetary nebulae from sites with moderate to high light pollution.

• Compatibility: Universally compatible with any telescope accessory (eyepieces, diagonals, cameras) that accommodates standard 2-inch threaded filters.

• Weight: Lightweight design, adding minimal load to optical systems.

IN THE BOX

• Explore Scientific 2" CLS Nebula Filter

• Robust protective plastic case