PrimaLuceLab 40mm/65mm Extension Tubes for ESATTO 3" (PL3600317/PL3600284)
PrimaLuceLab 40mm/65mm Extension Tubes for ESATTO 3" (PL3600317/PL3600284)
Extension Tube Length
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Product Description
When installing ESATTO 3" in a telescope with a long travel focuser (such as those usually found on refractors), it is necessary to take into account the lower travel of ESATTO 3" since it's a micrometric focuser.
For this reason we have designed these extensions that can be installed between ESATTO 3" and the telescope tube. A precise dovetail coupling system with 3 screws set at 120° allows you to manually rotate the focuser.
