Baader Hyperion 2" Finetuning Stop Ring
Retail Price $38
Baader Hyperion 2" Finetuning Stop Ring is best to be used with eyepieces with a 2" diagonal or prism to prevent the 1.25" eyepiece barrel hitting or damaging the internal components by lengthening the original eyepiece. This Hyperion Stop Ring can also be used as a premium 2" parfocalising ring with any brand of 2" eyepiece or 2 " astronomy accessory.
The finetuning ring comes with 2 large clamping thumbscrews for loosening or tightening.
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