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The filter adapter ring that allows you to use the filter with a smaller filter thread size.

2

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.

Supported list:

ZWO 5×2”EFW

ZWO 7×2” EFW

ZWO filter drawer series, including M42 filter drawer and M54 filter drawer

The effect when connecting 2”filter drawer:

连接M54滤镜抽屉（无滤镜）

连接M54滤镜抽屉（有滤镜）

The effect when connecting 2”EFW:

连接2寸滤镜轮（无滤镜）

连接2寸滤镜轮（）有滤镜

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.

Connecting drawing:

1

Mechanical drawing:

2