Baader 28mm Adapter 48mm Thread (Hyperion Finetuning Ring) Eyepiece the spring loaded system enables

the spring loaded system enables easy

Finderscope 6X30 straight version

delivering the maximum amount of light to the eyepiece

（0~20 mm）

the compact camera body provides minimal obstruction when placed on the front of the RASA optical tube

Baader 28mm Adapter 48mm Thread (Hyperion Finetuning Ring) Eyepiece the spring loaded system enablesFocal 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.