4 of 5 people found the following review helpful
1.25" Orion Moon Filter,
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This review is from: Orion 05662 1.25-Inch 13 Percent Transmission Moon Filter (Black) (Electronics)
This 1.25" Orion 13% Transmission Moon Filter really helps when viewing the moon. This was recommended when I purchased the Orion Skyquest XT8i telescope. However, the threads on the filter do not match up with the threads on the telescope eyepieces, which means that the filter will fall out when pointing the scope in a more vertical angle.