ZWO EFW MINI FILTER WHEEL 5 x 1.25" M-Zero Testar Piers are engineered in-house

Testar Piers are engineered in-house by us based on the original design by 10 Micron and using FEM analysis to ensure structural superiority compared to other piers on the market

SKU AX-M68F-M48M

BA2459152 (36mm)

3 x 75 Phillips head screwdriver

The FMA180 is a very capable super wide-field astrograph with minimal chromatic aberration and distortion

ZWO EFW MINI FILTER WHEEL 5 x 1.25" M-Zero Testar Piers are engineered in-houseThe Next Generation 2025 ZWO Electronic Filter Wheel 5 x 1. 25" is a major upgrade over the previous generation with a new anti light leak design and refined mechanics for smoother, more consistent rotation. The new 2025 EFW series introduces a series of structural refinements to eliminate light leakage from all directions, including: Upgraded Sealing A re engineered slot fit chassis provides a tighter mechanical interface between the front and rear