ZWO Darkening Rings
Category: Astrophotography Accessories
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
External diameter:90mm(2pcs)& 106mm (2pcs) . Inner diameter: 72mm (2pcs). Thickness: ≤0.2mm. 4pcs in total.
Before you pay
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When it ships
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Please contact us for the refund processing timeframe before returning an item.
View policyDelivery costs
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyReturning an item
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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