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

ZWO Darkening ring D90

Darkening ring set for ASI461MM-P set

Specifications for the darkening sets

External diameter:90mm(2pcs) . Inner diameter: 72mm. Thickness: ≤0.2mm. 2pcs 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