About this product
Model: bes_fm_zwo_31mm
Part Number: FilterMask-ZWO-31mm
Filter Centring Masks make it easy to centre your filters in a filter wheel.
They also prevent light leak due to filters being off-centre in the filter disk seat.
Simply place your filter in the filter wheel disk, place the Filter Centring Mask over the filter and fasten with screws.
Filter Masks for ZWO wheels (Work with any filter brand with the appropriate diameter).
ZWO-50mm : Chroma, Baader, Astronomik, Antlia, Optolong etc
ZWO-36mm : All filter brands
ZWO-31mm : All filter brands
Filter Masks for Atik wheels (The Atik supplied O-rings must be used for 2mm thick filters).
Atik-EFW3-50mm : filter brands, EFW2.2 and EFW3 wheels
Atik-EFW3-36mm : (Beta) All filter brands, EFW2.2 and EFW3 wheels
Atik-EFW2-36mm : (Beta) All filter brands, EFW2 wheel
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