Pre-order, ships from 10 Nov 2026
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extra-large items may take several additional days.
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About this product
Observing the Moon through a telescope can be intensely bright, often washing out fine surface details and causing visual fatigue. The Sky-Watcher Moon Filter threads directly into any standard 31.8 mm (1.25") eyepiece to manage intense lunar glare and bring out subtle surface contrasts. It delivers a much more comfortable viewing experience, letting you study crater walls, rilles, and maria for extended sessions without squinting.
Glare Reduction
Cuts overwhelming brightness
Rich Lunar Detail
Boosts crater and ridge contrast
Universal 31.8 mm Fitting
Fits standard 1.25" barrels
Comfortable Lunar Exploration
During gibbous and full phases, the Moon reflects an immense amount of sunlight straight down the optical tube. By regulating incoming light transmission before it reaches your eye, this filter shields your visual sensitivity and prevents the dazzling glare that cuts viewing sessions short. You can observe the lunar terminator in total comfort, even with wide-aperture telescopes.
Clear Structural Contrast
Blinding glare often masks subtle tonal gradations across the lunar plains and crater floors. Toning down the overpowering highlights exposes delicate structures, central peaks, and ejecta rays with distinct separation. The result is a crisper, more rewarding view of the geological landmarks scattered across the lunar landscape.
Standard Thread Compatibility Features precision threading designed to screw smoothly into the barrel of virtually any standard 31.8 mm (1.25") eyepiece or accessory.
Key Features
Light Transmission Control – Restricts harsh light levels to safeguard viewing comfort during bright phases.