Check the listing for details. ZWO Seestar S50 Threaded 2 Inch Filter Holder - Global Post. Color: Black, Condition: New, Made in United Kingdom. Listed at 11.68 USD. Are you ready to take your stargazing experience to the next level? Our 2-Inch Seestar S50 Filter Holder with an M48 0.75 Thread Size is the perfect accessory for amateur and professional astronomers alike. Whether you're observing distant galaxies, capturing stunning astrophotography, or studying celestial objects in detail, this filter holder is an essential addition to your Seestar S50 setup.🌟 Key Features: ✨ The M48 0.75 thread size ensures a secure fit and eliminates any light leakage, allowing you to capture crisp, clear images without distortion.✨ 2-Inch Compatibility: Our filter holder is designed to work seamlessly with 2-inch filters having the M48 0.75 thread size (tested with Optolong) , making it compatible with a wide range of 2 inch filters.✨ Easy Installation: Setting up yo.