Feature:1. Wide Compatibility: Compatible with for SkyWatcher for Omni150 and other 150mm aperture telescopes, this solar filter is essential for safely observing the sun and sunspots without damaging your eyes.2. Neutral White Sun: With this filter, the sun will appear as a neutral and pleasant white color. Use this filter with your telescope to safely observe sunspots, solar eclipses, and planetary transits.3. 150 Solar Film: The yellow tint enhances the solar observation experience, while the thick design ensures high safety factor. Safely observe the sun and protect your eyes.4. Safe and Durable: Made with excellent materials, this solar filter is sturdy, durable, and resistant to damage. It is also easy to store and transport.5. Enhance Observation: The solar filter allows for enhanced observation of the sun, enabling you to explore its features and phenomena with greater accuracy and detail.Specification:Item Type: Solar filterMaterial: ABS, composite filmWeight: Approx. 142g / 5ozInner Diameter: 135mm / 5.3inOuter Diameter: 170mm / 6.7inFitment: Fit for SkyWatcher Omni150 and other 150mm aperture telescope.Package List:1 x Solar Filter