Focal lengths Fine Tuning for Hyperion eyepieces (all focal lengths)
Optical path length 28mm
Spacer rings fit between the negative lens and the 2 "barrel, so that it matches the respective eyepiece to your needs.
The 13 mm eyepiece transform e.g. no loss of quality in a 9- or 11 mm eyepiece.
Weight - 0.052kg
Optical tube length - 28mm
Inner Diameter / Clear Aperture - 45mm
Outer Diameter - 2" (50,8mm)
Inner Connection (lens sided) - Thread, M48
Outer Connection (lens sided) - Barrel, 2"
Inner Connection (eyepiece/-camera-sided) - Barrel, 2"
Outer Connection (eyepiece/-camera-sided) - Thread, M48
Adaptable to - Not suitable for Morpheus® 76° eyepieces
Compatible Brands - Baader Planetarium
Type of Adapter - Extension