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. Item Type: Solar filter Material: ABS, composite film Weight: Approx. 142g / 5oz Inner Diameter: 135mm / 5.3in Outer Diameter: 170mm / 6.7in Fitment: Fit for SkyWatcher Omni150 and other 150mm aperture telescope 1 x Solar Filter