ZWO EFW Mini 5x1.25"/31mm (2025) 5-Slot Precision Electronic Filter Wheel

ZWO Electronic Filter Wheel (2025 Edition)- 5x1.25" Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an upgraded, fully sealed designed to eliminate light leak and provide smoother, quieter, and more accurate filter rotation. The internal sealing structure, dual light-blocking protection, and fully enclosed motor housing deliver cleaner subframes — even during long, multi-hour integrations. Whether you image in LRGB, SHO, or custom narrowband sets, these wheels offer the stability, durability, and precision needed for modern deep-sky workflows. Overview of New Filter Wheels Key Features • Full Anti–Light-Leak System • New USB-C Interface • Lightweight & Rigid CNC-Machined Body • High-Accuracy Stepper Motor • Automated Filter Switching • Single-Cable Operation What's Included ZWO EFW 1.25"/31mm (5-Slot Mini) Filter Wheel Slots: 5 positions Effective Thickness: 20 mm Supported Filters: 1.25" mounted (≤ 7 mm) & 31 mm unmounted (1.5–3.5 mm) Weight: 300 g