PrimaLuceLab Adapter ESATTO 4" for Takahashi FSQ-106EDX 3 and 4

Adapter ESATTO 4" for Takahashi FSQ-106EDX 3 and 4 allows you to install ESATTO 4" instead of the original Takahashi focuser. This adapter has 35mm optical thickness and it is designed to have, when used together with ESATTO 4", the same thickness of the original focuser (100.5mm) in order to allow you to reach focus with the telescope. Not compatible with standard FSQ-106.