Baader Hyperion Eyepieces & Fine tuning rings;
With the addition of Baader’s new Finetuning Rings, each Hyperion eyepiece can now function as 3 eyepieces!
The added spacing decreases the focal lengths (increases magnification)
Hyperion 8mm Eyepiece
w/14mm Ring will be 6.0 mm
w/28mm Ring will be 5.0 mm
w/14mm + 28mm Ring 4.3 mm
This eyepieces are also real great for the ETX-70/80! and they have 20mm of eye-relief!!!!