Omegon Moon filter 2″ 25% transmission - lunar filter for telescopes

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Omegon 2″ Moon Filter 25% Transmission

Article No.: 47404
Manufactured by: Omegon

Our price: 36.90 €

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Omegon Moon filter 2″ - 25% light transmission

The Moon is undoubtedly the most popular target for both beginner and experienced amateur astronomers. Yet a full Moon viewed through a telescope can be surprisingly dazzling - so much so that surface details blur together and eyes tire quickly. This is exactly why the Omegon Moon filter 2″ with 25% light transmission exists: a simple, effective solution to one of the most common challenges in visual lunar observation.

How it works

The principle is straightforward and well-proven. The filter reduces the amount of incoming light to 25% of its original intensity, significantly lowering the brightness of the lunar disk. The result is a more comfortable and higher-contrast image - craters, mountain ridges, lava plains (maria) and fine radial rilles all stand out with greater clarity. Eye fatigue is greatly reduced, allowing for longer and more rewarding observing sessions.

Please note: this filter is designed exclusively for visual observation. For astrophotography, other solutions are typically more appropriate.

Build quality and compatibility

The filter is mounted in a robust aluminium threaded cell with a standard 2″ diameter. It screws directly into a 2″ focuser or into the threaded barrel of a compatible 2″ eyepiece in seconds, holding securely in place during use. The Omegon Basic series is designed to deliver reliable, affordable performance for everyday visual work - without unnecessary compromises in optical glass quality.

Who is this filter for?

This filter is ideal for anyone who owns a telescope with a 2″ focuser and enjoys observing the Moon:

Beginners taking their first steps under the night sky who want a more comfortable viewing experience
Experienced observers looking for a reliable filter for detailed visual study of the lunar surface
Anyone who wants a compact, lightweight accessory that travels easily in any equipment bag

About Omegon

Omegon is a brand with a long tradition in astronomical instruments and accessories, built on the philosophy of "quality accessible to everyone". Products in the Basic range are not simply budget substitutes - they are carefully designed to meet the expectations of even more demanding observers in everyday use. The Omegon Moon filter 2″ is one of the best-selling lunar filters in Europe, combining proven functionality, a durable aluminium construction, and an attractive price. If you are looking for a dependable companion for your lunar nights, this choice will not disappoint.

Key specifications

Parameter	Value
Filter diameter	2″
Light transmission	25%
Mount type	Aluminium threaded cell
Intended use	Visual observation only
Compatibility	Any telescope with a 2″ focuser or 2″ eyepiece
Series	Omegon Basic