ZWO 7-Position EFW (7x36mm) 2025 iOptron The single knob on the

The single knob on the left and a larger knob on the right provide coarse focusing

000 e- unbinned

store your diagonal in the included aluminum case for protection

The three-axis adjustment

Supports up to 60 FPS

ZWO 7-Position EFW (7x36mm) 2025 iOptron The single knob on theThe Next Generation ZWO EFW Refined Design Anti Light Leak Protection Built for Astrophotography A re engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation. The exterior has been subtly streamlined, giving the wheel a cleaner and more cohesive look. Nothing dramatic. Just better in the ways that matter so your imaging workflow stays steady, reliable, and quietly improved. The ZWO