Sky-Watcher Sun 250mm Newton - solar filter holder
Do you want to observe the Sun safely with your Sky-Watcher 254/1200mm telescope? This holder is exactly what you need as a base for building your own solar filter. It is a simple, functional and reliable solution for any amateur or experienced astronomer who values both safety and the quality of their equipment.
What is included and how it works
The holder is supplied without a filter - it is a precisely made mounting ring with a prepared opening where you can easily place your own filter material. The most popular choice is Baader Astro Solar Film, which offers excellent optical transmission combined with maximum protection for both your eyes and your optics. The holder is designed to keep the filter material securely and firmly in place, with no unwanted movement or risk of it coming loose during observation.
Perfect fit for Sky-Watcher 254/1200mm Newton
The holder is designed specifically for Sky-Watcher 254/1200mm Newton telescopes - it fits precisely onto a tube with a diameter of 250mm. This means no improvised solutions or risk of poor attachment. The diameter of the aperture ring matches the diameter of the telescope objective, so the filter covers the entire light-gathering surface without interfering with the optical path. The material of the holder provides sufficient rigidity and durability for regular outdoor use.
How to set it up
Once you receive the holder, the process is straightforward:
- Cut a piece of Baader Astro Solar Film (or another suitable filter material) to the required shape.
- Place it into the prepared opening in the holder.
- Slide the holder onto the front of the telescope tube.
The whole process is intuitive and can be done by anyone who has basic experience with telescope accessories. It is important to inspect the filter carefully before every use - even the smallest hole or tear is not acceptable.
Why a solar filter is essential
Observing the Sun without a certified filter is extremely dangerous and can cause permanent eye damage or damage to your optics. Using a holder with a quality filter film is one of the safest and most accessible ways to enjoy solar astronomy to the fullest. A solar filter for a Newton telescope of this type has proven itself with thousands of astronomers around the world and is the standard solution for safe observation of the solar photosphere, sunspots, and planetary transits.
A smart addition to your telescope
The Sky-Watcher Sun 250mm holder is a simple but very important accessory for anyone who owns a Newton 254/1200mm and wants to use their telescope during the day as well. Investing in the right accessories always pays off - and with this holder, you have the foundation for safe and comfortable solar observation ready to use at any time.
Key specifications
| Parameter |
Value |
| Compatible telescope |
Sky-Watcher 254/1200mm Newton |
| Tube diameter |
250mm |
| Filter material included |
No - holder only |
| Recommended filter material |
Baader Astro Solar Film |
| Suitable for |
Solar photosphere, sunspots, planetary transits |