The adapter thickness is designed to make#the ESATTO with#adapter thickness to be equal to the one of the origi-
nal focuser, this way you will never have problems to reach focus in the focuser's draw tube inner position. But,
while the original focuser has 75 mm#draw tube travel, the ESATTO 2" has 15mm travel. Since, when you focus on
the stars, your sensor will be at 264mm from the telescope tube, based on the different instruments that you use to
make astrophotography, you may need to add one or more extensions in order to reach focus position with ESAT-
TO.#Now your refractor telescope#is ready to be used with the ESATTO focuser and you will be able to use heavy
cameras and accessories even for the most difficult deep-sky astrophotography.!
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