SV220 H-Alpha 3nm and O-III 3nm Ultra Dual-Narrowband Filter enhances astrophotography by reducing stray light and light pollution, enhancing image clarity, suitable for capturing deep-sky objects. Full-frame design ensures no vignetting, broad field of view, and accurate color reproduction. It improves image uniformity, clarity, and contrast, ideal for high-res deep-sky observations, maintaining consistent quality across the frame. The SVBONY SV241 Astronomy Power adapter is a hub specifically designed for astronomical imaging and an invaluable assistant for shooting the starry sky. It integrates a plethora of power and data interfaces, featuring exceptional industrial design. SV241 power hub adapter has 6 High-Power DC Outputs: Dedicated DC output port supports devices requiring up to Maximum 6A.; 2 USB 3.1 ports for ultra-fast data transfer and higher poweroutput; Maximum USB Output Current per port / total: 2.5A.