ZWO 7x36 EFW Electronic Filter Wheel - Next Gen - 7 Position for 36 mm Filters - EFW-7X36-25 131 mm Refractors Quintuplet air-spaced APO design

Quintuplet air-spaced APO design

and color fidelity for vivid

while allowing the light from nebulae and galaxies to pass through so you can see them better

the CGEM DX will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky

Consistent with the mechanical standards of the LX90 system

ZWO 7x36 EFW Electronic Filter Wheel - Next Gen - 7 Position for 36 mm Filters - EFW-7X36-25 131 mm Refractors Quintuplet air-spaced APO designZWO 7x36 EFW Electronic Filter Wheel with Anti Light Leak Technology 7 Position, Uses 36 mm Unthreaded Filters The 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.