ZWO EFW FILTER WHEEL 5 x 2" BF25-TT 8mm visual back

8mm visual back

The included filter holder has a M48 x 0

This allows the mirror to be held securely in place without putting additional force or pressure on the mirror assembly

80 mm ERF for dew shields Ø 120 mm

ZWO EFW FILTER WHEEL 5 x 2" BF25-TT 8mm visual backThe Next Generation 2025 ZWO Electronic Filter Wheel 5 x 2" 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