Product no.: 8655Manufacturer: Baader
Delivery still possible before Christmas (EU destinations) - when you order by noon on 17.12.!
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Hyperion 14mm fine tuning ring (2" extension, M48 female / M48 male, 14 mm optical path)
Focal length fine tuning for Hyperion eyepieces. Up to 40% reduction in focal length. Spacer rings between the negative lens and the 2" barrel to adjust the respective eyepiece focal length to suit your requirements. Turn the 13mm eyepiece into a 9 or 11mm eyepiece for example, without loss of quality.
The fine tuning rings can also be combined!
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