SESTO SENSO 37mm Adapter
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This 37mm adapter allow you to install SESTO SENSO on focusers that come with 37mm diameter large shaft, like the 3.5″ FeatherTouch and FSQ-130 (or other focusers with 37mm diameter large shaft). SESTO SENSO as standard connects to focusers that comes with 25mm diameter shaft. A 33mm adapter is also available.