Baader Hyperion 2" Finetuning Stopring
Hyperion 2\\\" Finetuning Stopring with brass clamping ring and 2 thumb screws.
Baaders Hyperion 2" Finetuning Stop Ring, with internal brass compression ring, is an additional accessory for Baader Hyperion eyepieces. It is used when combining a Hyperion Eyepiece and a 2" diagonal or prism and prevents the 1.25" eyepiece barrel from hitting and damaging the internal components, especially whenever additional Finetuning Rings (#2958214 or #2958228) are lengthening the original eyepiece body.
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