Binorum DarkSky 1.25 Light Pollution Filter - Premium Astronomy Filter

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Binorum DarkSky 1.25″ Light Pollution Filter

Article No.: 77005
Manufactured by: Binorum
Shipping weight: 0.035 kg

Our price: 73.95 €

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This product is available in the following variants:
Binorum DarkSky 1.25″ Light Pollution Filter	73.95 €
Binorum DarkSky 2″ Light Pollution Filter	82.20 €

Binorum DarkSky 1.25″ Light Pollution Filter

Reveal the Universe Under Light-Polluted Skies

Astronomical observations demand dark skies free from light pollution - only then can the secrets of the universe reveal themselves to the observer. The revolutionary Binorum DarkSky 1.25″ filter provides exactly that kind of sky - it reduces the interference from street lighting and minimizes background sky glow, allowing details of observed objects to emerge with remarkable clarity.

Enhanced Contrast for Deep-Sky and Planetary Observations

Thanks to the filter's selective transmission, contrast of low-contrast objects is significantly increased. You can now see much more structure on Jupiter and enhanced detail across the lunar surface. The filter dramatically improves the visibility of nebulae, galaxies, and star clusters, bringing out features that would otherwise remain hidden beneath the urban sky glow.

Universal Solution for Light Pollution Reduction

The Binorum DarkSky filter can be recommended as a universal filter for reducing general levels of unwanted light pollution and increasing image contrast. It effectively blocks the most common wavelengths emitted by mercury vapor, high-pressure sodium, and LED street lights, while allowing critical light from astronomical objects to pass through. This makes it an essential accessory for both urban and suburban observers.

Technical Specifications

Filter diameter: 1.25″ (31.7mm)
Multi-coated optical glass for maximum transmission
Threaded barrel for secure attachment
Compatible with all 1.25″ eyepieces and telescopes
Blocks unwanted wavelengths from artificial lighting
Preserves color balance for planetary observation

Suitable for All Telescope Types

The filter is suitable for all telescope models with 1.25″ eyepieces, including refractors, reflectors, and catadioptric telescopes. Simply thread it onto your eyepiece barrel for instant improvement in contrast and detail visibility. The filter is particularly valuable for observers in suburban and urban locations where light pollution significantly impacts astronomical viewing.

Optimal Use Cases

Deep-sky observation of emission nebulae and galaxies
Planetary observation with enhanced contrast
Lunar observation with improved detail
Star cluster viewing under light-polluted skies
General astronomy from urban and suburban locations

Why Choose Binorum Filters

Binorum astronomical filters are manufactured using precision optical glass with multi-layer coatings to ensure optimal light transmission and durability. Each filter undergoes rigorous quality control to meet the demanding requirements of amateur astronomers and astrophotographers. With Binorum, you receive professional-grade optical performance at an accessible price point, backed by extensive research in filter technology and years of experience in the astronomical optics market.