The filter adapter ring that allows you to use the filter with a smaller filter thread size.
No need for buying another set of filter drawers, the 2”-1.25”filter adapter ring will help you directly fit the 1.25”filter onto 2” filter drawer or filter wheel.
ZWO 7×2” EFW
ZWO filter drawer series, including M42 filter drawer and M54 filter drawer
The effect when connecting 2”filter drawer:
The effect when connecting 2”EFW:
We recommend you use ASI533, ASI183, ASI294 and ASI1600 with this filter adapter ring since cameras with bigger sensors may lead to vignetting when matching the 1.25” filters.
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