ZWO Darkening ring D88
Darkening ring set for regular EFW
EFW-5*2 / EFW-7*2 / EFW-7*36 / EFW-7*36-II
Specifications for the darkening sets:
External diameter: 88mm. Inner diameter: 55mm (2pcs) & 58mm (2pcs). Thickness: ≤0.2mm. 4pcs in total.
* The darkening sets is to help solve the light leaking issue occurring in the gap of the filter wheel and camera.
How to install the darkening sets:
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