Omegon Advanced solar filter 173-193mm - safe solar observation for telescopes

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Omegon 173mm-193mm Solar Filter

Article No.: 45791
Manufactured by: Omegon
Shipping weight: 0.3 kg

Our price: 94.60 €

1-2 weeks

We have the goods in stock at our store and we can send them immediately.

We do not have the goods physically with us, but it is available from a remote supplier. In this case, we order them immediately and therefore it may take several weeks before we are able to send them to you.

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Omegon solar filter 173mm-193mm

Observing the Sun is one of the most exciting activities in amateur astronomy - sunspots, facular regions, and planetary transits across the solar disk can fascinate any observer. To make this experience not only beautiful but also safe, you need a reliable and precisely made solar filter for your telescope. The Omegon Advanced solar filter is exactly the solution you are looking for.

Sturdy aluminum frame for long-lasting use

The filter is mounted in a robust aluminum frame that ensures a long service life and resistance to mechanical damage. Aluminum is a popular material for premium filters for good reason - it is light, rigid, and does not corrode. The total weight of the filter is only 200 g, so it does not add unnecessary load to the front of the tube and does not affect the balance of your mount. This filter belongs to the Advanced series, which represents a higher level of the Omegon range and is designed for more demanding observers.

Compatible telescope sizes

The filter is designed for telescopes with an outer tube diameter in the range of 173 to 193mm. This range covers many popular instruments - from smaller Newtonians and apochromatic refractors to more compact catadioptric systems with a matching tube diameter. The free transmission diameter of the filter is 175mm, so the light cone entering the objective is not restricted in any way, and you can fully use the aperture potential of your instrument. A solar filter with a 175mm clear aperture allows you to observe the solar disk with a surprising level of detail.

How the filter works and what you can observe

The filter is placed on the front of the telescope tube - it is a so-called front (objective) filter, which is the correct and recommended solution for safe solar observation. The solar film or glass used in this filter reduces the intensity of sunlight to a safe level for both your eyes and the optics of the instrument.

With this filter you will be able to comfortably observe:

Sunspots and their development over several days
Transits of Venus or Mercury across the solar disk
Solar granulation at sufficient magnification and good seeing conditions

Thanks to the aluminum frame, the filter sits firmly on the tube and there is no risk of it coming loose accidentally. This is a key safety feature that must be given maximum attention when using solar filters.

Technical specifications

Parameter	Value
Compatible tube outer diameter	173-193mm
Free transmission diameter	175mm
Frame material	Aluminum
Weight	200 g
Series	Omegon Advanced
Filter type	Front (objective) solar filter

Who is this filter for?

The Omegon Advanced solar filter 173-193mm is a well-thought-out choice for anyone who wants to safely and effectively observe our nearest star with a telescope of the appropriate size. The combination of precise manufacturing, suitable materials, and a well-designed fitting range makes it a reliable companion for every sunny day of observation.